LAS VEGAS - MAY 04: Floyd Mayweather Jr. weighs in at 150 pounds at the MGM Grand Garden Arena May 4, 2007 in Las Vegas, Nevada. Mayweather Jr. will fight Oscar De La Hoya for the WBC super welterweight championship at the MGM on May 5, 2007. (Photo by Al Bello/Getty Images) *** Local Caption *** Floyd Mayweather Jr.


Las Vegas, UNITED STATES: Floyd Mayweather Jr. (R) and Oscar De la Hoya exchange blows in their WBC Super Welterweight world championship boxing match 05 May 2007 in Las Vegas, Nevada. Floyd Mayweather remained undefeated by winning a 12-round split decision over Oscar de la Hoya 05 May to take the World Boxing Council super-welterweight title in an epic slugfest of US rivals. AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)


Ultimate Fighting Championship light heavyweight champion Chuck Liddell, left, hits challenger Tito Ortiz during the second round in Las Vegas on Saturday Dec. 30, 2006. Liddell defended his title. (AP Photo/Marlene Karas)


RB Reggie Bush (25) of the New Orleans Saints is tackled by free safety Sean Taylor (21) during a game against the Washington Redskins at the Louisiana Superdome in New Orleans, LA on December 17, 2006. Photo by Mike Ehrmann/WireImage.com


San Diego linebacker Shawne Merriman, who's appealing a drug suspension, walks on to the field prior to the Chargers 38-24 win over the St. Louis Rams at Qualcomm Stadium in San Diego, California on Sunday, October 29, 2006. Photo by Kevin Terrell/WireImage.com


BOSTON - APRIL 21: David Ortiz #34 of the Boston Red Sox walks to the dugout after striking out in the sixth inning against the New York Yankees at Fenway Park April 21, 2007 in Boston, Massachusetts. (Photo by Elsa/Getty Images)


Houston Astros starter Roger Clemens throws a pitch to Milwaukee Brewers' Tony Graffanino during the third inning of a baseball game Sunday, Aug. 20, 2006, in Milwaukee. The Astros won 3-1. (AP Photo/Morry Gash)


AUGUSTA, UNITED STATES: Tiger Woods of the US celebrates winning the 2005 Masters Golf Tournament Championship 10 April 2005 at the Augusta National Golf Club in Augusta, Ga. Woods defeated fellow American Chris DiMarco in a one-hole play-off. AFP PHOTO/Jeff HAYNES (Photo credit should read JEFF HAYNES/AFP/Getty Images)


Tony Stewart prior to the NASCAR Nextel Cup Series Goody's Cool Orange 500 at the Martinsville Speedway - April 01, 2007.NASCAR - Nextel Series - Goody's Cool Orange 500 - April 1, 2007 Photo by Lee Coleman/WireImage.com


Brian Urlacher of the Chicago Bears against Joseph Addai of the Indianapolis Colts during Super Bowl XLI between the Indianapolis Colts and Chicago Bears at Dolphins Stadium in Miami, Florida on February 4, 2007. Photo by Kevin C. Cox/WireImage.com


Sep 21, 2006; Sanya, Hainan, CHINA; MARIUSZ PUDZIANOWSKI from Poland competes for the competition of the World's Strongest Man in Yalong Bay of Sanya, south China's Hainan Province. Ten athletes entered the final matches, testing the limits of human strength and endurance, and the final of the event will be held on Sept 23. Mandatory Credit: Photo by Terry Cheung/Color China Photos/ZUMA Press. (©) Copyright 2006 by Color China Photos


Los Angeles Lakers' Kobe Bryant disagrees with a foul called on him during the Lakers game against the Dallas Mavericks at the American Airlines Center in Dallas, Texas, Wednesday, December 13, 2006. (Sharon M. Steinman/Fort Worth Star-Telegram/MCT)


Phoenix Coyotes right wing Georges Laraque, left, battles with Nashville Predators left wing Darcy Hordichuk during the first period of an NHL hockey game Thursday, Feb. 1, 2007, in Glendale, Ariz. (AP Photo/Rick Scuteri)


New York, UNITED STATES: Wladimir Klitschko (L) of Ukraine watches as Calvin Brock of the US falls to the mat after Klitschko knocked him out in the seventh round of their IBF and IBO World Heavyweight Championship bout, 11 November 2006, at Madison Square Garden in New York City. AFP PHOTO/ Timothy A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)


Mar 27, 2007; Jupiter FL, USA; St. Louis Cardinals first baseman Albert Pujols (5) hits a foul ball against the Los Angeles Dodgers during a spring training game at Roger Dean Stadium in Jupiter, FL. Mandatory Credit: Steve Mitchell-US PRESSWIRE


MELBOURNE, AUSTRALIA - JANUARY 28: Roger Federer of Switzerland celebrates winning a point during his men's final match against Fernando Gonzalez of Chile on day fourteen of the Australian Open 2007 at Melbourne Park on January 28, 2007 in Melbourne, Australia. (Photo by Mark Dadswell/Getty Images) *** Local Caption *** Roger Federer