San Francisco 49ers wide receiver Michael Crabtree has undergone surgery for a torn Achillies, a league source confirmed to ESPN senior NFL analyst Chris Mortensen.

Brian Urlacher is retiring form the NFL after 13 seasons with the Chicago Bears, according to his official Twitter account.

Brian Urlacher is retiring form the NFL after 13 seasons with the Chicago Bears, according to his official Twitter account.

Washington Nationals closer Rafael Soriano questioned Bryce Harper's defensive positioning on Tuesday, claiming that the star right fielder should have been in a better position to make a game-saving catch against the San Francisco Giants.

Mike Krzyzewski had decided to remain coach of the U.S. men's Olympic basketball team.

Cutting two games off the preseason -- either by expanding the playoffs or moving to an 18-game schedule -- is still being discussed, commissioner Roger Goodell said Tuesday at the NFL's spring owners meetings.

The Cleveland Cavaliers have won the 2013 NBA draft lottery.

San Antonio Spurs point guard Tony Parker plans to have an MRI on Thursday on his troublesome left calf, although he doesn't expect to miss any playing time in the Western Conference finals.

Sergio Garcia on Wednesday afternoon apologized for insensitive remarks directed at Tiger Woods, saying his comments were "totally stupid and out of place."

The Dallas Mavericks, with their first lottery draft pick in a dozen years firmly in hand, have their eyes on Dwight Howard.