WhiteSox (15-21) @ Blue Jays (26-14), 1:07pm
  CHW: Clayton Richard (25, LHP, 0-0, 5.40)
  TOR: Scott Richmond (29, RHP, 4-2, 4.28)

Twins (18-20) @ Yankees (20-17), 7:05pm
  MIN: Glen Perkins (26, LHP, 1-2, 4.27)
  NYY: Andy Pettitte (37, LHP, 3-1, 4.00)

Athletics (13-21) @ Rays (19-20), 7:08pm
  OAK: Sean Gallagher (23, RHP, 1-1, 4.50)
  TBR: Jeff Niemann (26, RHP, 3-3, 5.35)

Angels (18-18) @ Mariners (18-20), 10:10pm
  LAA: John Lackey (30, RHP, 0-0, undef)
  SEA: Jarrod Washburn (34, LHP, 3-2, 3.11)

Rockies (14-22) @ Braves (18-18), 7:00pm
  COL: Jason Marquis (30, RHP, 4-3, 5.40)
  ATL: Derek Lowe (36, RHP, 5-1, 3.80)

Pirates (16-21) @ Nationals (11-25), 7:05pm
  PIT: Ross Ohlendorf (26, RHP, 4-3, 3.77)
  WSN: Ross Detwiler (23, LHP, 0-0, undef)

D'backs (14-23) @ Marlins (18-20), 7:10pm
  ARI: Danny Haren (28, RHP, 3-4, 2.09)
  FLA: Ricky Nolasco (26, RHP, 2-4, 7.78)

Brewers (23-14) @ Cardinals (21-16), 8:15pm
  MIL: Braden Looper (34, RHP, 3-2, 4.70)
  STL: Kyle Lohse (30, RHP, 3-2, 4.25)

Mets (21-16) @ Dodgers (26-13), 10:10pm
  NYM: Tim Redding (31, RHP, 0-0, undef)
  LAD: Randy Wolf (32, LHP, 2-1, 2.77)