Morgan Hamm of the U.S. practises on the horizontal bar during an artistic gymnastics training session at National Indoor Stadium ahead of the Beijing 2008 Olympic Games August 6, 2008. REUTERS/Hans Deryk (CHINA)

Morgan Hamm of the U.S. practises on the pommel horse during an artistic gymnastics training session at National Indoor Stadium ahead of the Beijing 2008 Olympic Games August 6, 2008. REUTERS/Mike Blake (CHINA)

Gymnast Paul Hamm (L) leads fellow gymnasts (2nd L - R) Jonathan Horton, Joseph Hagerty, and Morgan Hamm onto the stage at the conclusion of the 2008 U.S. Olympic gymnastics team trials in Philadelphia, Pennsylvania, June 22, 2008. REUTERS/Tim Shaffer (UNITED STATES) (BEIJING OLYMPICS 2008 PREVIEW)

Paul (L) and Morgan Hamm, members of the United States Olympic Gymnastics team, pose for a photo during the 2008 U.S. Olympic Team Media Summit in Chicago April 14, 2008. REUTERS/Frank Polich (UNITED STATES)

Morgan Hamm, a member of the United States Olympic Gymnastics team, poses for a photo during the 2008 U.S. Olympic Team Media Summit in Chicago April 14, 2008. REUTERS/Frank Polich (UNITED STATES)

Paul (L) and Morgan Hamm, of the United States Olympic Gymnastics team, pose for a photo during the 2008 U.S. Olympic Team Media Summit in Chicago April 14, 2008. REUTERS/Frank Polich (UNITED STATES)

Paul (L) and Morgan Hamm, members of the United States Olympic Gymnastics team, pose for a photo during the 2008 U.S. Olympic Team Media Summit in Chicago April 14, 2008. REUTERS/Frank Polich (UNITED STATES)

Olympic gold medallist Paul Hamm waves to parade goers, while riding an antique fire truck, during a parade to recognize him and his twin brother Morgan in Waukesha, Wisconsin, September 15, 2004. Paul won two silver medals and a gold, and Morgan was awarded a silver medal on the U.S. Olympic Gymnastics team in Athens, Greece last month. REUTERS/Allen Fredrickson AF

Olympic gold medal winning gymnast Paul Hamm (L) and his silver medal winning brother Morgan (R), answer questions during a promotional appearance at a gymastics class in New York, August 26, 2004. The twin brothers were promoting the 2004 Rock & Roll Gymnastics Championships Tour which begins August 31. Paul Hamm won a controversial all around gold medal in gymnastics, partly due to a scoring error. Hamm has said he has no intention of giving the medal back, nor does he think a second gold should be awarded. REUTERS/Henny Ray Abrams HRA

Olympic gold medal winning gymnast Paul Hamm (R) and his silver medal winning brother Morgan (L) show off their medals during a promotional appearance at a gymnastics class in New York, August 26, 2004. The twin brothers were promoting the 2004 Rock & Roll Gymnastics Championships Tour which begins August 31. Paul Hamm won the men's all around Olympic Gold medal in gymnastics partly due to a controversial scoring mistake that cost a South Korean gymnast the title. REUTERS/Henny Ray Abrams HRA

Brett McClure, Morgan Hamm, Paul Hamm, Jason Gatson, Blaine Wilson and Guard Young of the U.S. (L-R) pose on the podium after the artistic gymnastics men's team final at the Athens 2004 Olympic Summer Games August 16, 2004. [Japan won the team final ahead of the U.S. and Romania.]

Brett McClure, Morgan Hamm, Paul Hamm, Jason Gatson, Blaine Wilson and Guard Young of the U.S. (L-R) pose on the podium after the artistic gymnastics men's team final at the Athens 2004 Olympic Games August 16, 2004. Japan won the team final ahead of the U.S. and Romania. REUTERS/Dylan Martinez MD/DL

Brett McClure, Morgan Hamm, Paul Hamm, Jason Gatson, Blaine Wilson and Guard Young of the U.S. (L-R) pose on the podium after the artistic gymnastics men's team final at the Athens 2004 Olympic Games August 16, 2004. Japan won the team final ahead of the U.S. and Romania. REUTERS/Dylan Martinez MD/DL

Guard Young, Blaine Wilson, Jason Gatson, Morgan Hamm, Paul Hamm and Brett McClure of the U.S. (L-R) pose on the podium with their silver medals after the artistic gymnastics men's team final at the Athens 2004 Olympic Games August 16, 2004. Japan won the team final ahead of the U.S. and Romania. REUTERS/Kimimasa Mayama MD/DL

US team mates Jason Gatson, Morgan Hamm and Paul Hamm stand on the podium at the Athens 2004 Olympic Games. U.S. team mates (L-R) Jason Gatson, Morgan Hamm and Paul Hamm stand on the podium as they receive their silver medals after the artistic gymnastics men's team final at the Athens 2004 Olympic Games, August 16, 2004. Japan won the gold medal ahead of the U.S. and Romania. REUTERS/Wolfgang Rattay

Guard Young, Morgan Hamm, Paul Hamm, Jason Gatson, Blaine Wilson and Brett McClure of the U.S.(L-R) pose on the podium after the artistic gymnastics men's team final at the Athens 2004 Olympic Games August 16, 2004. Japan won the team final ahead of the U.S. and Romania. REUTERS/Wolfgang Rattay MD/DL

Jason Gatson, Paul and Morgan Hamm and Blaine Wilson (L-R) of the U.S. celebrate their silver medal in the artistic gymnastics men's team final at the Athens 2004 Olympic Games August 16, 2004. Japan won the gold medal ahead of the U.S. and Romania. REUTERS/Dylan Martinez MD/DL

Morgan Hamm of the US performs a horizontal bar exercise during the artistic gymnastics men's team final in Athens. Morgan Hamm of the U.S. performs a horizontal bar exercise during the artistic gymnastics men's team final at the Athens 2004 Olympic Games August 16, 2004.Japan won the gold medal ahead of the U.S. and Romania. REUTERS/Wolfgang Rattay

Morgan Hamm of the U.S. poses after his routine during the artistic gymnastics men's team final at the Athens 2004 Olympic Games August 16, 2004. REUTERS/Kimimasa Mayama MD/DL

Morgan Hamm of the U.S. leaps over the vault during the artistic gymnastics men's team final at the Athens 2004 Olympic Games August 16, 2004. REUTERS/Kimimasa Mayama MD/BPS

Morgan Hamm of the U.S. performs a routine on the pommel horse during the men's artistic gymnastics qualifying session at the Athens 2004 Olympic Summer Games August 14, 2004.

Morgan Hamm of the U.S. performs a routine on the pommel horse during the men's artistic gymnastics qualifying session at the Athens 2004 Olympic Games August 14, 2004. REUTERS/Jeff J Mitchell MD/DL

Morgan Hamm competes on the still rings during the U.S. Olympic Gymnastics Team Trials in Anaheim, California, June 24, 2004. The event showcases top Olympic hopefuls vying for two automatic berths for the 2004 Olympics in Athens, Greece. The remainder of the US team will be announced July 11-18. REUTERS/Lucy Nicholson LN

Morgan Hamm performs on the pommel horse during the U.S. Olympic Gymnastics Team Trials in Anaheim, California, June 24, 2004. The event showcases top Olympic hopefuls vying for two automatic berths for the 2004 Olympics in Athens, Greece. The remainder of the US team will be announced July 11-18. REUTERS/Lucy Nicholson REUTERS LN

Morgan Hamm of the United States performs in the men's final of the horizontal bar event at Gymnastic World Cup in Rio de Janeiro, April 4, 2004. Hamm won the gold medal. REUTERS/Sergio Moraes SM

Morgan Hamm of the United States performs his floor routine final of the men's event at Gymnastic World Cup in Rio de Janeiro, April 3, 2004. Hamm took the silver medal. REUTERS/Sergio Moraes SM/HB

The United States men's gymnastics team celebrate after winning silver
with a second play finish in the mens team event at the World
Gymnastics Championships in Anaheim, California August 19, 2003. From
left, are: are Brett McClure, Morgan Hamm, Paul Hamm, Jason Gaston,
Blaine Wilson and Raj Bhavsar REUTERS/Mike Blake

MB

Morgan Hamm, of the United States, performs his floor routine during
the men's team finals at the World Gymnastics Championships in Anaheim,
California August 19, 2003. REUTERS/Robert Galbraith

RG

Morgan Hamm from the USA performs on the pommel horse in the men's qualification round of Artistic Gymnastics, on the first full day of sporting action at the Sydney Olympic Games, September 16, 2000. The Games, sport's greatest showcase, have brought 11,000 athletes from 199 nations to Sydney, which spent seven years and $1.4 billion preparing for the event.

PB/HB

(L-R) Jamie Natalie, Blaine Wilson, Sean Townsend, John Roethlisberger, Stephen McCain, Paul Hamm and Morgan Hamm wave to the crowd in Boston, August 19, 2000 after they were announced as the U.S. Men's Gymnastic Team for the 2000 Sydney Summer Olympics. Natalie will be the alternate.

BS/ME