Former baseball star Roger Clemens reacts as he talks to reporters outside Federal District Court in Washington June 18, 2012. Clemens, 49, was cleared of federal charges of lying in 2008 to the House of Representatives' Committee on Oversight and Government Reform.
REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW HEADSHOT)

Former baseball star Roger Clemens becomes emotional as he talks to reporters outside Federal District Court in Washington June 18, 2012. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW HEADSHOT)

Former baseball star Roger Clemens becomes emotional as he talks to reporters outside Federal District Court in Washington June 18, 2012. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW HEADSHOT)

Former baseball star Roger Clemens reacts as he talks to reporters outside Federal District Court in Washington June 18, 2012. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS HEADSHOT CRIME LAW)

Former baseball star Roger Clemens (2nd R) stands with his family outside the Federal District Court in Washington June 18, 2012. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW TPX IMAGES OF THE DAY)

Former baseball star Roger Clemens speaks outside Federal District Court in Washington June 18, 2012. At right is his attorney Rusty Hardin. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Former baseball star Roger Clemens speaks outside Federal District Court in Washington June 18, 2012. At right is his attorney Rusty Hardin. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Former baseball star Roger Clemens stands with his family as his lawyers speak outside Federal District Court in Washington June 18, 2012. At the microphone stand is attorney Rusty Hardin. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Former baseball star Roger Clemens (R) stands with his family before the media outside Federal District Court in Washington June 18, 2012. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Former baseball star Roger Clemens (C) looks toward his attorney Rusty Hardin (R) as they depart the Federal District Court in Washington June 18, 2012. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Former baseball star Roger Clemens (L) looks toward his attorney Rusty Hardin (R) as they depart the Federal District Court in Washington June 18, 2012. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Former baseball star Roger Clemens (2nd R) stands with his family outside the Federal District Court in Washington June 18, 2012. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Attorney Rusty Hardin gestures toward former baseball star Roger Clemens as they speak to reporters outside the Federal District Court in Washington June 18, 2012. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Former baseball star Roger Clemens (C) walks with his son Kacy (R) and wife Debbie (front) as he leaves Federal District Court in Washington June 18, 2012. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Former baseball star Roger Clemens talks to reporters outside Federal District Court in Washington June 18, 2012. A jury on Monday acquitted Clemens of all six criminal charges against him in a trial to decide whether he lied to Congress about using performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Former baseball star Roger Clemens smiles as he walks outside Federal District Court in Washington June 18, 2012. Clemens, 49, was on trial for the second time on federal charges of lying in 2008 to the House of Representatives' Committee on Oversight and Government Reform.
REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Former baseball star Roger Clemens walks outside Federal District Court in Washington June 18, 2012. Clemens, 49, is on trial for the second time on federal charges of lying in 2008 to the House of Representatives' Committee on Oversight and Government Reform.
REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS CRIME LAW)

Former baseball star Roger Clemens walks outside Federal District Court in Washington June 18, 2012. Clemens, 49, is on trial for the second time on federal charges of lying in 2008 to the House of Representatives' Committee on Oversight and Government Reform.
REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS)

Former MLB baseball pitcher Roger Clemens (C) departs the courthouse with family members and his defense team after the end of closing arguments in his perjury trial on charges of lying to Congress about performance-enhancing drug use, in Washington, June 12, 2012. Lawyers in the perjury trial of former Major League Baseball pitching ace Clemens finished presenting evidence on Monday, setting the stage for the jury to begin deliberations on Tuesday after nearly two months of testimony. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT CRIME LAW BASEBALL)

Former MLB baseball pitcher Roger Clemens stops for autograph-seekers after the end of final arguments in his perjury trial on charges of lying to Congress about performance-enhancing drug use, in Washington, June 12, 2012. Lawyers in the perjury trial of former Major League Baseball pitching ace Roger Clemens finished presenting evidence on Monday, setting the stage for the jury to begin deliberations on Tuesday after nearly two months of testimony. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT CRIME LAW BASEBALL)

Stacey Manela, member of the defense team for former MLB baseball pitcher Roger Clemens, departs the courthouse with a series of photographs of Clemens used as evidence after closing arguments in his perjury trial on charges of lying to Congress about performance-enhancing drug use, in Washington, June 12, 2012. Lawyers in the perjury trial of former Major League Baseball pitching ace Clemens finished presenting evidence on Monday, setting the stage for the jury to begin deliberations on Tuesday after nearly two months of testimony. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT CRIME LAW BASEBALL)

Former MLB baseball pitcher Roger Clemens (R) stops for autograph-seekers after the end of final arguments in his perjury trial on charges of lying to Congress about performance-enhancing drug use, in Washington, June 12, 2012. Lawyers in the perjury trial of former Major League Baseball pitching ace Roger Clemens finished presenting evidence on Monday, setting the stage for the jury to begin deliberations on Tuesday after nearly two months of testimony. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT CRIME LAW BASEBALL)

Former MLB baseball pitcher Roger Clemens (C) walks with his arm around one of his sons as he departs the courthouse with family members and his defense team after the end of closing arguments in his perjury trial on charges of lying to Congress about performance-enhancing drug use, in Washington, June 12, 2012. Lawyers in the perjury trial of former Major League Baseball pitching ace Clemens finished presenting evidence on Monday, setting the stage for the jury to begin deliberations on Tuesday after nearly two months of testimony. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT CRIME LAW BASEBALL)

Former MLB baseball pitcher Roger Clemens stops for autograph-seekers after the end of final arguments in his perjury trial on charges of lying to Congress about performance-enhancing drug use, in Washington, June 12, 2012. Lawyers in the perjury trial of former Major League Baseball pitching ace Clemens finished presenting evidence on Monday, setting the stage for the jury to begin deliberations on Tuesday after nearly two months of testimony. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT CRIME LAW BASEBALL)

Former MLB baseball pitcher Roger Clemens (R) arrives at the federal courthouse with his wife Debbie Clemens (C) and her mother Jan Wilde (L) for the start of deliberations in his perjury trial on charges of lying to Congress about performance-enhancing drug use, in Washington, June 12, 2012. Lawyers in the perjury trial of Clemens finished presenting evidence on Monday, setting the stage for the jury to begin deliberations on Tuesday after nearly two months of testimony. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT CRIME LAW BASEBALL)

Former MLB baseball pitcher Roger Clemens (2nd L) arrives at the federal courthouse with his wife Debbie Clemens (L) and his attorney Rusty Hardin (R) for the start of deliberations in his perjury trial on charges of lying to Congress about performance-enhancing drug use, in Washington, June 12, 2012. Lawyers in the perjury trial of Clemens finished presenting evidence on Monday, setting the stage for the jury to begin deliberations on Tuesday after nearly two months of testimony. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT CRIME LAW BASEBALL)

The wife of former Major League pitcher Roger Clemens, Debbie, arrives for the continuation of his perjury trial at U.S. Federal Court in Washington June 11, 2012. Roger Clemens, 49, is on trial for a second time on federal charges of lying to a U.S. congressional committee in 2008 when he denied using performance-enhancing drugs. REUTERS/Larry Downing (UNITED STATES - Tags: SPORT CRIME LAW)

Former Major League pitcher Roger Clemens (R) and his wife Debbie arrive for the continuation of his perjury trial at U.S. Federal Court in Washington June 11, 2012. Clemens, 49, is on trial for a second time on federal charges of lying to a U.S. congressional committee in 2008 when he denied using performance-enhancing drugs. REUTERS/Larry Downing (UNITED STATES - Tags: SPORT CRIME LAW)

Former baseball star Roger Clemens and his wife Debbie leave the Federal District Court in Washington June 8, 2012. Debbie Clemens testified in his perjury trial on Friday that she received a shot of human growth hormone from her husband's ex-trainer, who says he also injected the performance-enhancing drug into Clemens.
REUTERS/Kevin Lamarque (UNITED STATES - Tags: CRIME LAW SPORT BASEBALL)

Former major league pitcher Roger Clemens (L) arrives at Federal District Court for his perjury trial in Washington June 8, 2012. Clemens, 49, is on trial for a second time on federal charges of lying to a U.S. congressional committee in 2008 when he denied using performance-enhancing drugs. The House of Representatives Committee on Oversight and Government Reform was investigating drug use in Major League Baseball at the time. REUTERS/Kevin Lamarque (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former baseball star Roger Clemens leaves Federal District Court in Washington D.C. April 23, 2012. Today was the start of Clemens' second trial on charges of lying to a congressional committee about whether he used performance-enhancing drugs. REUTERS/Kevin Lamarque (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens arrives at the federal courthouse in Washington April 16, 2012. Clemens faces a new trial this week on charges he lied to Congress about taking steroids, nine months after a judge stopped his first trial in its opening days because of a misstep by prosecutors. The trial starts on Monday with jury selection and is expected to last several weeks. REUTERS/Yuri Gripas (UNITED STATES - Tags: POLITICS SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens (C) stops to sign a baseball for a fan as he leaves the federal courthouse in Washington July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW IMAGES OF THE DAY)

Former Major League Baseball pitcher Roger Clemens leaves the federal courthouse in Washington after the judge declared a mistrial, July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Yuri Gripas (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens (C) leaves the federal courthouse with attorney Rusty Hardin (R) in Washington July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Yuri Gripas (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens (C) walks with members of his legal team as they leave the federal courthouse in Washington July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens (C) leaves the federal courthouse in Washington July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens (L) walks past reporters as he leaves the federal courthouse in Washington July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW MEDIA)

Former Major League Baseball pitcher Roger Clemens (L) listens as attorney Rusty Hardin (front) makes a brief statement at the federal courthouse in Washington July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens (C) leaves the federal courthouse with attorney Rusty Hardin (R) in Washington July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens (front) leaves the federal courthouse in Washington July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens (C, right) and attorney Rusty Hardin (C, left) are surrounded by reporters as they leave the federal courthouse in Washington July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW MEDIA)

Former Major League Baseball pitcher Roger Clemens (C, left) and attorney Rusty Hardin (C, right) are surrounded by reporters as they leave the federal courthouse in Washington July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW MEDIA)

Former Major League Baseball pitcher Roger Clemens and his attorney Rusty Hardin (R) leave the federal courthouse in Washington after the judge declared a mistrial, July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Yuri Gripas (UNITED STATES - Tags: SPORT CRIME LAW BASEBALL)

Former Major League Baseball pitcher Roger Clemens (L) is trailed by reporters as he leaves the federal courthouse with his attorney Rusty Hardin (R), in Washington July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens leaves the federal courthouse in Washington after the judge declared a mistrial, July 14, 2011. A judge declared a mistrial on Thursday in the perjury trial of baseball great Clemens, because prosecutors violated an order that barred certain information from being introduced to the jury. Clemens is facing charges that he lied to the committee when he denied taking steroids and human growth hormones from 1998 to 2001. The pitching star and one-time Hall of Fame contender has denied taking drugs or lying to Congress. REUTERS/Yuri Gripas (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW POLITICS)

Former Major League Baseball pitcher Roger Clemens (R) refers to his personal digital assistant (PDA) as he and his attorney Rusty Hardin (L) arrive for opening arguments in his trial on charges that he lied to Congress about performance-enhancing drug use, at the federal courthouse in Washington, July 13, 2011. Clemens, who won the Cy Young Award as the best pitcher in his league seven times, is on trial after vehemently denying that he ever took human growth hormone or steroids during a Congressional hearing as lawmakers investigated drug use in sports. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens arrives with his wife Debbie for the first day of his perjury trial, at the federal courthouse in Washington, July 6, 2011. Clemens, 48, was indicted a year ago on charges he gave false statements to a U.S. congressional committee investigating steroid use in baseball, perjured himself under oath and obstructed the lawmakers' inquiry into widespread drug use that has scarred the sport. REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former Major League Baseball pitcher Roger Clemens arrives, with his wife Debbie, for the first day of his perjury trial, at the federal courthouse in Washington, July 6, 2011. Clemens, 48, was indicted a year ago on charges he gave false statements to a U.S. congressional committee investigating steroid use in baseball, perjured himself under oath and obstructed the lawmakers' inquiry into widespread drug use that has scarred the sport. REUTERS/Yuri Gripas (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW)

Former star MLB baseball pitcher Roger Clemens departs the federal courthouse after his arraignment on charges of lying to Congress about use of performance enhancing drugs in Washington, August 30, 2010. Clemens pleaded not guilty to six counts that he lied and obstructed a congressional investigation about whether he used banned substances to enhance his performance REUTERS/Jonathan Ernst (UNITED STATES - Tags: SPORT BASEBALL CRIME LAW POLITICS)

Former New York Yankee Major League Baseball pitcher Roger Clemens (R) confers with his lawyer Rusty Hardin during testimony before the U.S. House of Representatives Committee on Oversight and Government Reform hearing on "The Mitchell Report: The Illegal Use of Steroids in Major League Baseball on Capitol Hill in Washington, February 13, 2008. Pitching great Clemens and his former trainer Brian McNamee clashed on Capitol Hill on Wednesday over McNamee's claims that he injected Clemens with illegal performance-enhancing drugs. REUTERS/Jonathan Ernst (UNITED STATES)

Former New York Yankee Major League Baseball pitcher Roger Clemens listens while his lawyer Lanny Breuer (R) defends him next to lawyer Rusty Hardin (L), during testimony before the U.S. House of Representatives Committee on Oversight and Government Reform hearing on "The Mitchell Report: The Illegal Use of Steroids in Major League Baseball on Capitol Hill in Washington, February 13, 2008. Pitching great Clemens and his former trainer Brian McNamee clashed on Capitol Hill on Wednesday over McNamee's claims that he injected Clemens with illegal performance-enhancing drugs. REUTERS/Jonathan Ernst (UNITED STATES)

Brian McNamee (L), former trainer to Roger Clemens, attorney Charles P. Scheeler (C) and former New York Yankees pitcher Roger Clemens swear under oath before testifying before the U.S. House of Representatives Committee on Oversight and Government Reform hearing on "The Mitchell Report: The Illegal Use of Steroids in Major League Baseball" on Capitol Hill in Washington, February 13, 2008. Pitching great Clemens and his former trainer McNamee, clashed under oath at a U.S. congressional hearing on Wednesday over McNamee's claims he injected Clemens with illegal performance-enhancing drugs. REUTERS/Chuck Kennedy/Pool (UNITED STATES)

Former New York Yankee Major League Baseball pitcher Roger Clemens arrives to testify before the U.S. House of Representatives Committee on Oversight and Government Reform hearing on "The Mitchell Report: The Illegal Use of Steroids in Major League Baseball" on Capitol Hill in Washington, February 13, 2008. Pitching great Clemens and his former trainer Brian McNamee clashed on Capitol Hill on Wednesday over McNamee's claims that he injected Clemens with illegal performance-enhancing drugs. REUTERS/Joshua Roberts (UNITED STATES)

Brian McNamee, former trainer for Major League Baseball pitcher Roger Clemens, listens to opening statements before testifying before the U.S. House of Representatives Committee on Oversight and Government Reform hearing on "The Mitchell Report: The Illegal Use of Steroids in Major League Baseball" on Capitol Hill in Washington, February 13, 2008. Pitching great Clemens and his former trainer McNamee clashed on Capitol Hill on Wednesday over McNamee's claims that he injected Clemens with illegal performance-enhancing drugs. REUTERS/Jonathan Ernst (UNITED STATES)

Brian McNamee, former trainer of former New York Yankee Major League Baseball pitcher Roger Clemens, is sworn in to testify before the U.S. House of Representatives Committee on Oversight and Government Reform hearing on "The Mitchell Report: The Illegal Use of Steroids in Major League Baseball" on Capitol Hill in Washington, February 13, 2008. Pitching great Clemens and his former trainer McNamee clashed on Capitol Hill on Wednesday over McNamee's claims that he injected Clemens with illegal performance-enhancing drugs. REUTERS/Jonathan Ernst (UNITED STATES)

Former New York Yankee Major League Baseball pitcher Roger Clemens is sworn in to testify before the U.S. House of Representatives Committee on Oversight and Government Reform hearing on "The Mitchell Report: The Illegal Use of Steroids in Major League Baseball" on Capitol Hill in Washington, February 13, 2008. Pitching great Clemens and his former trainer Brian McNamee clashed on Capitol Hill on Wednesday over McNamee's claims that he injected Clemens with illegal performance-enhancing drugs. REUTERS/Jonathan Ernst (UNITED STATES)

Major League Baseball pitcher Roger Clemens listens during a news conference after a day of meetings with members of congress on Capitol Hill in Washington February 7, 2008. Clemens dismissed as unfounded on Thursday new claims of evidence offered by his former trainer -- including broken needles and bloody gauze pads -- that Clemens used performance-enhancing drugs. REUTERS/Molly Riley (UNITED STATES)

A copy of the long-awaited Mitchell Report on steroids sits on a chair after being unveiled during a news conference in New York December 13, 2007. Dozens of top baseball stars including Roger Clemens were named on Thursday in the report on steroids use, which Major League Baseball hopes will help clean up the sport's tarnished image.
REUTERS/Shannon Stapleton (UNITED STATES)

Former U.S. Sen. George Mitchell takes a question during a news conference where he unveiled the long-awaited Mitchell Report on steroids use, in New York December 13, 2007. Dozens of top baseball stars including Roger Clemens were named on Thursday in the report on steroids use, which Major League Baseball hopes will help clean up the sport's tarnished image. REUTERS/Mike Segar (UNITED STATES)