PHILADELPHIA - JUNE 03: Celebrity Boxing Promoter Damon Feldman and former Major League Baseball player Jose Canseco promote their upcoming fight at a press conference for the 'Gary Barbera's War...

...Former MLB player Jose Canseco's controversial book references the use of anabolic steroids in Major League Baseball. (Photo by

A vendor hawks Ball Park Brand franks at Comerica Park during a Detroit Tigers baseball game against the Cleveland Indians Sunday, June 8, 2008 in Detroit. America's two largest hot dog...

Hall of Famer Bob Feller, 90, pitches against Paul Molitor during the first inning of the Baseball Hall of Fame Classic in Cooperstown, N.Y., Sunday, June 21, 2009. (AP Photo/Kevin Rivoli

COOPERSTOWN, NY - JULY 31: Hall of Famer Ralph Kiner attends the Baseball Hall of Fame Induction ceremony on July 31, 2005 at the Clark Sports Complex in Cooperstown, New...

...Windsor visits with a group of New York Yankees, winners of the last four world championships of baseball, in their Yankee Stadium, N.Y., dugout prior to start of their night game with Detroit Tigers...

...at the New York Yankees' dressing room in Cincinnati Ohio, after the players gained the World's Baseball Championship, defeating Cincinnati Reds in the fourth straight game of the World Series for the fourth series...

New York Yankees' Alex Rodriguez celebrates after winning the Major League Baseball World Series against the Philadelphia Phillies Wednesday, Nov. 4, 2009, in New York. (AP Photo/David J...

...Yankees' Alex Rodriguez to right field during the fourth inning of Game 3 of the Major League Baseball World Series Saturday, Oct. 31, 2009, in Philadelphia. The hit, originally called a double, was reversed to...

...Carlos Ruiz and umpire Brian Gorman in the fourth inning of Game 3 of the Major League Baseball World Series Saturday, Oct. 31, 2009, in Philadelphia. Originally ruled a double, the umpires changed the call...

...Yankees' Mariano Rivera (42) and Alex Rodriguez celebrate after winning Game 6 of the American League Championship baseball series Monday, Oct. 26, 2009, in New York. The Yankees defeated the Los Angeles Angels 5-2...

...New York Yankees manager Joe Girardi is seen during Game 3 of the American League Championship baseball series against the Los Angeles Angels Monday, Oct. 19, 2009, in Anaheim, Calif

New York Yankees' Derek Jeter makes a play during Game 3 of the American League Championship baseball series against the Los Angeles Angels Monday, Oct. 19, 2009, in Anaheim, Calif. (AP Photo/Mark J...

Former New York Yankees baseball pitcher Roger Clemens, right, lawyer Charles Scheeler center, and his former personal trainer Brian McNamee, are sworn...

The grass-covered baseball field at the Minnesota Twins new stadium Target Field is shown after the the installation of approximately...