Three-time Olympic gold medalist Usain Bolt wants to get back to his day job _ running fast. The world's fastest man will step back on the track Friday for the first time since his world-record performances at the Beijing Olympics.

NASCAR placed Kyle Busch and Carl Edwards on probation Wednesday for the next six Sprint Cup Series races, the result of their on-track incident last weekend at the end of the race at Bristol Motor Speedway.

Three-time Olympic gold medalist Usain Bolt wants to get back to his day job _ running fast.

Svetlana Kuznetsova shook off an early break and rallied to a 7-6 (3), 6-1 victory over Sorana Cirstea on Wednesday in the second round of the U.S. Open.

Jason Marquis shut down Pittsburgh's batters, and the Chicago Cubs turned two well-placed bunts into two runs in the seventh inning and swept yet another three-game series from the Pirates with a 2-0 victory Wednesday.