•Tennis: Wimbledon wraps up this weekend with the men's semifinals today, 6 a.m., ESPN2; noon, KFOR-4; the women's championship, involving the Williams sisters, 8 a.m Saturday, KFOR-4; and the men's championship, 8 a.m. Sunday, KFOR-4.
•Baseball: TBS will announce the selections for the All-Star teams at 1 p.m. Sunday. The St. Louis Cardinals host their arch rivals, the NL Central-leading Chicago Cubs, for a three-game series, 7 tonight, Cox 7; 2:30 p.m. Saturday, KOKH-25; 2 p.m. Sunday, TBS. In another storied series, the New York Yankees host Boston at 7 p.m. Sunday on ESPN. •Auto racing: The NASCAR Sprint Cup series returns to Daytona International Speedway for the Coke Zero 400 at 5:30 p.m. Saturday on TNT. ESPN2 will air the Nationwide Series Winn-Dixie 250 at 7 tonight. •U.S. Olympic trials: The swimming trials will air 7-8 tonight, 7-8 p.m. Saturday and 6-8 p.m. Sunday on KFOR-4. Track and field will air 10 to midnight tonight on USA and 4-5 p.m. Saturday and 6-8 p.m. Sunday on KFOR-4. If you missed the women's gymnastics, you can catch a replay from 11 a.m. to 1 p.m. Sunday on MSNBC. •Bicycling: Versus begins its extensive coverage of the Tour de France, with stages 1 and 2 at 7:30 a.m. Saturday and 7:30 a.m. Sunday.
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