Friday’s games:

Braves vs. Cubs

The Braves begin their series with the Cubs tonight in Chicago. Jair Jurrjens (5-4, 3.92 ERA) starts for Atlanta. Ryan Dempster (11-8, 3.62 ERA) starts for Chicago. Game time is 2:20 p.m.

Mets vs. Pirates

The Mets send Mike Pelfrey (11-7, 3.95 ERA) to the mound as they begin their series with the Pirates. Jeff Karstens (2-9, 4.57 ERA) starts for the Pirates. First pitch is 7:05 p.m. in Pittsburgh.

Nationals vs. Phillies

The Nationals and Phillies face off in Philadelphia. Jason Marquis (0-5, 14.33 ERA) starts for Washington. Roy Halladay (15-8, 2.24 ERA) starts for Philadelphia. Game time is 7:05 p.m.

Marlins vs. Astros

The Marlins begin a weekend series against the Astros in Florida. Anibal Sanchez (9-8, 3.31 ERA) takes the mound for Florida. J.A. Happ (2-1, 4.66 ERA) gets the start for Houston. First pitch is 7:10 p.m.