RedSox (63-49) @ Yankees (69-41), 2:05pm
  BOS: Jon Lester (26, LHP, 11-7, 3.07)
  NYY: Phil Hughes (24, RHP, 13-4, 3.96)

Rays (67-44) @ Tigers (54-57), 7:05pm
  TBR: David Price (24, LHP, 14-5, 2.82)
  DET: Armando Galarraga (28, RHP, 3-4, 4.32)

WhiteSox (63-48) @ Orioles (37-74), 7:05pm
  CHW: Edwin Jackson (26, RHP, 7-10, 4.97)
  BAL: Brian Matusz (23, LHP, 4-11, 5.26)

Royals (47-64) @ Angels (56-57), 10:05pm
  KCR: Sean O'Sullivan (22, RHP, 1-2, 4.30)
  LAA: Ervin Santana (27, RHP, 10-8, 4.11)

Athletics (56-54) @ Mariners (42-70), 10:10pm
  OAK: Vin Mazzaro (23, RHP, 6-3, 3.86)
  SEA: Doug Fister (26, RHP, 3-8, 3.98)

Cardinals (61-49) @ Reds (64-48), 7:10pm
  STL: Chris Carpenter (35, RHP, 12-3, 2.91)
  CIN: Mike Leake (22, RHP, 7-3, 3.86)

Braves (64-47) @ Astros (47-63), 8:05pm
  ATL: (2010, RHP, 0-0, undef)
  HOU: Bud Norris (25, RHP, 4-7, 5.65)

D'backs (43-69) @ Brewers (53-59), 8:10pm
  ARI: Ian Kennedy (25, RHP, 6-9, 4.40)
  MIL: Chris Narveson (28, LHP, 9-7, 5.68)

Cubs (47-64) @ Giants (63-49), 10:15pm
  CHC: Carlos Zambrano (29, RHP, 3-6, 5.61)
  SFG: Madison Bumgarner (20, LHP, 4-4, 3.20)