Pitching great Roger Clemens (R) listens to a question during a news conference held in Houston with attorney Rusty Hardin, to answer allegations that Clemens was injected with steroids by former trainer Brian McNamee as detailed in the Mitchell report to Major League Baseball, January 7, 2008. Clemens announced he would attend Congressional hearings and voluntarily answer allegations that he used banned substances during his baseball career. REUTERS/Richard Carson (UNITED STATES)