Weekend watchdog

You like your horsepower with four legs or four wheels? Saturday is for you.

In the afternoon, you have the running of the Kentucky Derby on NBC, starting at 4 p.m. Lots of horses start but only one leaves Kentucky with a chance to win this year's Triple Crown.

In the night, FOX shows the NASCAR race from Darlington.

That ought to rev your engine for Mother's Day.

The horsepower in Kentucky gets featured on Versus in the days leading up to the big event. The fillies have their race - the Kentucky Oaks - Friday at 5 p.m.
Before the flag drops for the Southern 500, the Nationwide racers will go Friday at 7:30 p.m. on ESPN2.
The second round of the NBA playoffs continues this weekend with doubleheaders each day. Friday, ESPN shows Game 3 of the Bulls' series with Atlanta at 7 p.m., followed by the Lakers-Mavericks.
Saturday, ESPN has Game 3 of the Thunder-Grizzlies series from Memphis at 5 p.m., then ABC offers the Heat at Celtics at 8 p.m. Sunday's it's back to Dallas for the Lakers-Mavericks at 3:30 p.m. on ABC. Game 4 of the Bulls vs. Hawks will be at 8 p.m. on TNT.
The NHL continues its second round, but there may be only three games until the conference finals. Friday, the Sharks take on Detroit at 7 p.m., followed by the finish of the Flyers' game with Boston.
If San Jose and Boston win, those series are over. If the Flyers or Red Wings win, there's ice hockey Sunday.
The Predators head back to Vancouver for Game 5 of that series Saturday at 8 p.m. Nashville needs to win to return home for Game 6.
The Orioles make a rare national TV appearance this weekend, hosting Tampa Bay at 1:10 p.m. on FOX. Other parts of the nation get the Twins at Red Sox and Reds-Cubs. The Orioles-Rays games on Friday and Sunday are on MASN.
ESPN's Sunday game features the Braves at Phillies. TBS shows the Yankees at Texas Sunday at 2:05 p.m.
The Nationals head to Florida this weekend on MASN2.
The PGA tour hits Charlotte this weekend, with the Wells Fargo championship on CBS Saturday and Sunday at 3 p.m.
Comcast has C-USA college baseball this weekend, with Rice facing Houston at 7:30 p.m. Friday, 4 p.m. Saturday and Sunday at 2 p.m.. From the SEC, LSU visits Alabama at 7:30 p.m.
The NCAA crowns its men's volleyball champion Saturday at 7 p.m. on ESPN2. Ohio State and UC-Santa Barbara won Thursday to advance to the final.
ESPN2 offers the MLS Saturday night, with New York at Los Angeles at 11 p.m.
SEC softball gets the coverage Saturday at noon on ESPN, with Florida meeting Tennessee. Sunday at 1 p.m., it's off to the Big 12 for Texas taking on Missouri.