Weekend watchdog

One more weekend talking about bubble teams. Time to find who's going to battle for the NCAA tournament championship.
The field of 68 will be released on CBS Sunday at 6 p.m. after a weekend of conference tournaments and jockeying for March Madness position.
The ACC tournament continues Friday at noon on the ACC network as top-seeded Miami plays Boston College. N.C. State battles Virginia at 2:30 p.m., and the evening session has Duke and North Carolina making their tournament debuts - the Blue Devils against Maryland and Tar Heels meeting Florida State.
The semifinals are Saturday at 1 p.m. and 3:30 p.m., with the final Sunday at 1 p.m.
CBS starts Saturday with the Conference USA title game at 11:30 p.m. The semifinals of the Big Ten tournament are 1:30 p.m. and 4 p.m., followed by the Mountain West championship at 6 p.m.
The Atlantic 10 crowns its champion Sunday at 1 p.m., then the Big Ten decides its automatic berth at 3:30 p.m.
ESPN has the semifinals of the Big East tournament Friday at 7 and 9:30 p.m. and championship Saturday at 8:30 p.m. Saturday also features the championships of the Big 12 at 6 p.m. and Pac-12 at 11 p.m.
The first two Big Ten quarterfinals are on ESPN Friday at noon and 2:30 p.m.
ESPN2 has five championship games on Saturday. Albany and Vermont meet in the America East title game at 11:30 a.m. It's off to the SWAC at 4:30 p.m., followed by the Mid-American Conference and Southland Conference. The night concludes at 10:30 p.m. with the Big West championship.
The Atlantic 10 moves to Comcast Friday, with St. Louis playing at noon before LaSalle starts its run at 2:30 p.m. MASN offers the Big 12 semifinals Friday at 7:30 and 10 p.m.
The CAA women's tournament goes Saturday with semifinals at 3:30 p.m. and 4:30 p.m. on Comcast. The finals are Sunday at 2 p.m.
Comcast shows the Wizards against Hornets Friday at 7 p.m. and Suns Saturday at 7 p.m.
The Capitals visit the Bruins Saturday at 1 p.m. on Comcast and before returning home to face the Sabres Sunday at 7 p.m. NBC Sports network will cover the game nationally.
NBC features the Penguins and Bruins Sunday at 12:30 p.m., after the Sharks take on the Kings Saturday at 10:30 p.m. on Comcast.
Vermont visits Boston College in the Hockey East tournament on NBC Sports network Friday at 7 p.m.
The PGA tour goes to Tampa Bay this weekend, with coverage on NBC Saturday and Sunday at 3 p.m.
NASCAR heads to Thunder Valley this weekend, with the Sprint Cup race Sunday at noon on FOX. The Nationwide racers go Saturday on ESPN2 at 2 p.m.
Stay up late for the Australian Grand Prix Sunday at 2 a.m. on NBC Sports network.
The Orioles face the Twins in spring training action Sunday at 1 p.m. on MASN, while the Nationals take on the Astros Saturday at 6 p.m.
D.C. United battles on the Red Bulls Saturday at 12:30 p.m. on NBC. There's a pair of games on NBC Sports network Saturday, with the Fire against Kansas City at 3 p.m. and Portland-Seattle at 8 p.m. ESPN2 offers Dallas against Houston Sunday at 1 p.m.
The Panibas Open tennis championship matches will be on ESPN2 Sunday at 3 p.m.