Weekend watchdog

Will Johnny Manziel have a big impact in his rookie season?
Monday might be a time we'll find out.
Manziel and the Browns close the second week of the NFL preseason Monday at 8 p.m., visiting the Redskins at FedEx field.
The Browns dropped their preseason opener 13-12 to Detroit, with Manziel completing seven passes for 63 yards and rushing six times. RGIII and the Redskins opened the preseason with a 23-6 win over New England.
With most teams using their third preseason game to set the season's lineup, the battle between Manziel and Brian Hoyer should keep interest late in the second half.
The Ravens make their first visit to Jerry's World, facing the Cowboys Saturday at 7 p.m. on Comcast.
Fox has the Chiefs taking on the Panthers Sunday at 8 p.m.
The Nationals visit Pittsburgh Friday and Saturday on MASN before moving to MASN2 Sunday at 5 p.m. The Orioles travel to Cleveland for the weekend, with games Friday and Saturday on MASN2 before going to MASN Sunday afternoon.
FoxSports1 has a doubleheader Saturday - Yankees against Rays at 4:10 p.m. following the Padres taking on the Cardinals. ESPN has the Braves and A's Sunday night, while the Mariners take on the Tigers Sunday at 1 p.m.
The Little League World Series continues Friday at 1 p.m. on ESPN with Mexico-Canada before Pennsylvania takes on Tennessee. ESPN2 has Venezuela facing Japan at 5 p.m. before ESPN returns at 8 p.m. when Rhode Island plays Texas.
Action continues Saturday in the loser's bracket at noon and 7 p.m. on ESPN, 2 p.m. on ABC and 5 p.m. on ESPN2. First game winners play Sunday - at noon and 7 p.m. on ESPN2, 5 p.m. on ESPN and 2 p.m. on ABC.
There's more double-elimination action through the week before the champion will be crowned next Sunday.
The new Premier League season starts this weekend, and NBC offers Arsenal against Crystal Palace Saturday at 12:30 p.m. NBC Sports network brings Manchester United-Swansea City Saturday at 7:45 a.m., and a pair of games Sunday - Liverpool plays Southampton at 8:30 a.m. followed by Newcastle United meeting Manchester City.
D.C. United hosts Colorado Sunday at 8 p.m. on Comcast. Philadelphia visits Houston on NBC Sports network Friday at 9 p.m. and Seattle takes on Real Salt Lake Saturday at 2:30 p.m.
NASCAR goes to Michigan Sunday at 1 p.m. on ESPN. The Nationwide racers hit the track on ESPN Saturday at 2:45 p.m.
NBC Sports network has the IndyCar race from Wisconsin Sunday at 3 p.m.
The PGA tour visits Greensboro for the Wyndham Championships Saturday and Sunday at 3 p.m. on CBS.
ESPN2 has the Western and Southern Open, with quarterfinals Friday at 11 a.m. and 7 p.m. and semifinals Saturday at 11 a.m. and 7 p.m. The women's final will be Sunday at 2 p.m., followed by the men at 4 p.m.
The United States takes on Brazil in international basketball Saturday at 9 p.m. on ESPN.