Weekend watchdog

Two teams got a really early start, and the rest of the NFL is ready to go this weekend.
The 2012 NFL season starts - replacement referees or not - Sunday when RGIII and the Redskins visit the Saints at 1 p.m. on FOX. The 49ers head to Green Bay in the Fox nightcap, while CBS in Washington offers Patriots at Titans at 1 p.m.
NBC brings Peyton Manning's home debut against the Steelers Sunday at 8 p.m. ESPN opens the campaign with a Monday night doubleheader - Bengals-Ravens at 7 p.m. followed by the Chargers meeting the Raiders.
Up north, NBC sports network shows the CFL contest between Calgary and Edmonton Friday at 9 p.m.
The second week of college football kicks off Friday when Utah faces Utah State Friday on ESPN2.
Virginia tries to go 2-0 when Penn State visits on ABC Saturday at noon. The second contest of the doubleheader offers either Southern Cal at Syracuse or Air Force-Michigan. The game that doesn't air on ABC in your area will be on ESPN2.
Notre Dame returns from Ireland to face Purdue on NBC Saturday at 3:30 p.m. FOX heads west in primetime, as Nebraska goes to UCLA.
ESPN's four games on Saturday start at noon with Auburn versus Mississippi State. Florida heads to Texas A&M at 3:30 p.m., followed by Washington's trip to LSU at 7 p.m. The night concludes at 10:30 p.m. with Illinois heading to Arizona State.
ESPN2 offers Central Florida's contest with Ohio State at noon, then new SEC member Missouri hosts Georgia at 7:45 p.m.
The ACC game of the week matches Ball State and Clemson at 12:30 p.m. on NBC29. Comcast presents the ACC battle between Wake Forest and North Carolina Saturday at 3:30 p.m., and Kentucky faces Kent State at 7:30 p.m.
MASN2 brings Big East football Saturday at noon with Connecticut hosting North Carolina State, followed by Howard-Rutgers at 3:30 p.m. At 7 p.m. Norfolk meets Liberty.
Fx has Miami taking on Kansas State at noon, followed by Wisconsin at Oregon State at 4 p.m.
The battle of Delaware gets shown on NBC Sports network Saturday, with Delaware State meeting the Blue Hens at 3:30 p.m. Army travels to San Diego State at 7:30 p.m.
It's another big weekend series for the Orioles and Yankees on MASN - this time at Camden Yards. The Nationals take on the Marlins for the weekend on MASN2 (Saturday afternoon on MASN).
The Dodgers face the Giants on ESPN Sunday at 8 p.m. and Fox Saturday at 4 p.m. Other Fox games are Royals-White Sox and Braves against the Mets. Orioles-Yankees gets featured Sunday afternoon on TBS for the second straight week.
NASCAR prepares for the Chase for the Cup with the final qualifying race at Richmond Saturday on ABC. The flag drops at 7 p.m., with one wild card spot on the line and 11 others gearing up for the final run. The Nationwide racers go Friday at 7 p.m. on ESPN.
The U.S. Open crowns its champions this weekend, weather permitting. CBS has the women's semifinal and men's double championship starting Friday at 12:30 p.m. The men's semifinals are Saturday at noon, with the women's title match at 8 p.m. The best men go for the crown Sunday at 4:30 p.m.
The PGA tour brings its top 70 golfers to the BMW championship this weekend, and only 30 advance to next week's Tour Championship.
The Mystics host the Sparks Friday at 7 p.m. on Comcast.