Weekend watchdog

The overall top seed and defending champion - Villanova - won't be heading to Phoenix.
Three more days until we know the four teams who will play the final weekend.
The Sweet 16 continues Friday on CBS at 7 p.m. with North Carolina taking on Butler. Kentucky and UCLA tangle in the second game of the South regional. Madison Square Garden hosts the East regional, with Baylor-South Carolina in the first game at 7:29 p.m. followed by Florida against Wisconsin.
It's Xavier-Gonzaga for the West Regional championship Saturday at 6 p.m. on TBS, followed by Kansas against Oregon. The final two slots are filled Sunday afternoon on CBS.
The women's Sweet 16 starts Friday at 7 p.m. with regional action from Lexington and Oklahoma City. The other two regions - Bridgeport and Stockton get going Saturday at 11:30 a.m. Nets will be cut down in Lexington and Oklahoma City Sunday at noon and 7:30 p.m.
Division II crowns its champion Saturday at 3 p.m. when Fairmont State faces Northwest Missouri State on CBS.
ABC has the Thunder against the Rockets Sunday at 3:30 p.m.
The Wizards take on the Nets on Comcast Friday at 7 p.m. and the Cavaliers Saturday at 7:30 p.m. The Penguins battle the Flyers Sunday at 7 p.m. on NBC Sports network after NBC offers Wild-Red Wings Sunday at 12:30 p.m.
On the college ice, North Dakota meets Boston University in a West regional semifinal Friday at 3 p.m. on ESPN.
NASCAR closes its west coast swing with a visit to Fontana. Fox has the Monster Series Sunday at 3:30 p.m. after the Xfinity Series goes on FoxSports1 Saturday at 4 p.m.
NBC Sports network has the Australian Grand Prix Sunday at 12:30 a.m., after qualifying Saturday at 2 a.m.
For a different type of horsepower, NBC Sports network has the Dubai World Cup Saturday at 10:30 a.m.
On the college diamond, LSU faces Florida Saturday at 3 p.m. on ESPN2 and TCU takes on Oklahoma State at 8 p.m.
Comcast has Louisville's contest with North Carolina State Saturday at 1 p.m. and Miami meets North Carolina Sunday at noon.
Oklahoma State and TCU close out their series Sunday at 2 p.m. on ESPN2.
Auburn tangles with Florida in college softball Saturday at 6 p.m. and Sunday at 7 p.m. on ESPN2.
The PGA tour's World Golf Championship has coverage on NBC Saturday at 2 p.m. and Sunday at 3 p.m.
FoxSports1 has World Cup qualifying Friday, with Mexico against Costa Rica at 8:30 p.m. followed by United States' contest with Honduras.
Azerbaijan takes on Germany on ESPN2 Sunday at 11:50 a.m.
There's rugby between Bristol and Gloucester Friday at 2:30 p.m. on NBC Sports network and Saracens against Bath Sunday at 9:45 a.m.