...a 1986 photo of California Angels pitcher Don Sutton. (AP Photo) 3- OSAKA, JAPAN: Houston Astros' Roger Clemens waves his cap to the audience as he leaves the pitching mound during the friendly match...

...umpire Charlie Reliford, center, separates New York Mets Mike Piazza (31) and New York Yankees pitcher Roger Clemens after Clemens threw a part of Piazza's bat at him during the first inning of...

This Feb. 13, 2008 file photo shows former New York Yankees baseball pitcher Roger Clemens being sworn-in on Capitol Hill in Washington, prior to testifying before the House Oversight, and...

KISSIMMEE, FL - FEBRUARY 27: Roger Clemens throws during minor league batting practice at Houston Spring Training at Osceola County Stadium on February...

...in Boston, Massachusetts. (Photo by Elsa/Getty Images) *** Local Caption *** Curt Schilling New York, UNITED STATES: Roger Clemens of the New York Yankees pitches against the Pittsburgh Pirates 09 June 2007 at Yankee Stadium...

Former New York Yankees baseball pitcher Roger Clemens, left, looks toward his former personal trainer Brian McNamee, right, on Capitol Hill in Washington, Wednesday...

Former New York Yankees baseball pitcher Roger Clemens, right, and his former personal trainer Brian McNamee, left, are seen on Capitol Hill in Washington...

...the federal investigation into steroids in baseball sits in the audience before former Major League pitcher Roger Clemens testified during the House Oversight and Government Reform hearing on steroid use among MLB players. The...

WASHINGTON, DC - FEBRUARY 13: Former Major League pitcher Roger Clemens is sworn in to testify during the House Oversight and Government Reform hearing on steroid use...

...credit should read PAUL J. RICHARDS/AFP/Getty Images) 24 AUG 2007: New York Yankees pitcher Roger Clemens (22) during the Detroit Tigers 9-6 win over the New York Yankees at Comerica Park...

...shipping receipts to federal investigators for a package of human growth hormone that he sent to Roger Clemens' home in Texas in 2002 or 2003, The Daily News reported on its Web site

Clemens, McNamee Contradict Each Other Under Oath WASHINGTON, DC - FEBRUARY 13: Former Major League pitcher Roger Clemens is sworn in to testify during the House...

New York Yankees pitcher Roger Clemens, right, and Andy Pettitte, left, talk with a teammate during the third inning of their game...

...2008 on Capitol Hill in Washington, DC. McNamee claimed to have injected Major League Baseball star Roger Clemens with steroids and human growth hormone at least 16 times between 1998 and 2001. Clemens has...

Houston Astros pitcher Roger Clemens hoists his Cy Young Award during a ceremony honoring Clemens and his seventh Cy Young Award...