Weekend watchdog

Tis the season for night racing.
NASCAR is in the midst of four night races - plus the all-star weekend - in five events. The lights will be on in Richmond Saturday on Fox at 7 p.m.
Seven different drivers won in the first seven races, with Kevin Harvick becoming the first repeat winner at Darlington under the lights two weeks ago. The month of May features a night race in Kansas before the all-star race and Coke 600 in Charlotte Memorial Day weekend.
The Nationwide drivers hit the track Friday on ESPNews at 7 p.m.
NBC Sports network carries the Indy Car circuit from Alabama Sunday at 2:30 p.m.
The NBA and NHL playoffs reach the middle of the first round contests this weekend. Washington, up two games to none, hosts Chicago Friday at 8 p.m. on ESPN and Comcast. ESPN2 offers the Raptors heading to Brooklyn at 7 p.m., and ESPN has Houston-Portland at 10:30 p.m.
TNT has the Hawks and Pacers Saturday at 2 p.m., followed by Spurs-Mavericks. The Bobcats host the Heat Saturday at 7 p.m. on ESPN, and the Grizzlies take on the Thunder in the nightcap.
ABC's Sunday doubleheader starts with the Wizards and Bulls at 1 p.m. The Clippers and Warriors tangle at 3:30 p.m., then it's off to TNT for the Raptors facing the Nets at 7 p.m. and Rockets battling the TrailBlazers at 9:30 p.m.
On the ice, the Flyers and Rangers play the fourth game of their series Friday at 7 p.m. on CNBC. The Blackhawks face the Blues on NBC Sports network at 8 p.m., then the Stars visit the Ducks at 10:30 p.m. NBC plans Red Wings-Bruins Saturday at 3 p.m., and NBC Sports network brings the Blue Jackets against Penguins at 7 p.m. followed by Wild-Avalanche.
The Rangers and Flyers return to New York Sunday at noon on NBC and the Blues and Blackhawks battle at 3 p.m. It's Game 6 between the Ducks and Stars on NBC Sports network at 8 p.m.
The Orioles host Kansas City over the weekend on MASN, while the Nationals continue a set with San Diego on MASN2.
ESPN has the Yankees against Angels Sunday at 8 p.m., and the teams meet on FoxSports1 Saturday at 1 p.m. The Pirates and Cardinals battle at 4 p.m.
On the college diamond, Comcast has three games on Saturday. They start in the ACC with Georgia Tech against North Carolina State at 1 p.m., then it's Georgia at Vanderbilt at 4 p.m. Clemson faces Miami at 7 p.m.
South Carolina faces Alabama Saturday at 2 p.m. and Sunday at 1 p.m. on ESPN.
Arena Football comes to ESPN2 Sunday at 4 p.m., with Iowa facing Philadelphia.
New Orleans hosts the PGA tour for the Zurich Classic Saturday and Sunday at 3 p.m. on CBS.
Manchester United meets Norwich City in Premier League action on NBC Saturday at 12:30 p.m. Everton takes on Southampton on NBC Sports network at 7:45 a.m., then Stoke City battles Tottenham Hotspur at 10 a.m. There's three more games Sunday, starting Sunderland against Cardiff City at 7 a.m. Liverpool clashes with Chelsea at 9 a.m. before Crystal Palace faces Manchester City.
Comcast offers the ACC women's lacrosse tournament, with the semifinals Friday at 1 and 3 p.m. and the final Sunday at 1 p.m.
Baylor hosts Kansas in college softball on MASN2 Saturday at 4 p.m.
NBC Sports network has the Penn Relays Saturday at noon and Drake Relays at 3 p.m.