What to watch

•Kentucky Derby: Pre-race coverage begins at 3 p.m. on KFOR-4. If you want to skip the hype, post time is 5:04 p.m. Tom Hammond and Bob Costas will co-host NBC's coverage.

•NBA playoffs: Three Game 6 matchups are set tonight with Boston at Atlanta at 7 p.m. and Houston at Utah at 9:30 p.m. on ESPN and Cleveland at Washington at 6 tonight on ESPN2.

•Auto racing: Kyle Busch, who has won twice in nine Sprint Cup races this season, tries to continue his hot start in the Dan Lowry 400 at 6 p.m. Saturday on KOKH-25. The Nationwide Series' Lipton Tea 250 will air at 6 tonight on the Speed Channel and ESPN Classic.

•Baseball: The St. Louis Cardinals host the arch-rival Chicago Cubs for a three-game series: 7 tonight, WGN, Cox 7; 2:30 p.m. Saturday, KOKH-25; 7 p.m. Sunday, ESPN.

•Boxing: Oscar De La Hoya will fight live on HBO's boxing series for the first time since 2001, facing Steve Forbes at 9 p.m. Saturday from Carson, Calif. Forbes (33-5, 9 KOs) is coming off a split-decision victory over highly touted Francisco Bojado in October.