Athletics (24-23) @ Orioles (15-32), 7:05pm
  OAK: Gio Gonzalez (24, LHP, 5-3, 3.46)
  BAL: Brad Bergesen (24, RHP, 3-3, 6.10)

Royals (19-28) @ RedSox (27-21), 7:10pm
  KCR: Brian Bannister (29, RHP, 3-3, 4.73)
  BOS: Daisuke Matsuzaka (29, RHP, 3-1, 5.76)

WhiteSox (20-26) @ Rays (32-15), 7:10pm
  CHW: Gavin Floyd (27, RHP, 2-4, 6.31)
  TBR: Jeff Niemann (27, RHP, 4-0, 2.54)

Yankees (28-18) @ Twins (26-20), 8:10pm
  NYY: Javier Vazquez (34, RHP, 3-4, 6.69)
  MIN: Nick Blackburn (28, RHP, 5-1, 4.50)

Astros (16-30) @ Brewers (18-28), 1:10pm
  HOU: Brett Myers (29, RHP, 3-3, 3.25)
  MIL: David Bush (30, RHP, 1-5, 5.59)

Dodgers (26-20) @ Cubs (22-25), 2:20pm
  LAD: John Ely (24, RHP, 3-1, 3.41)
  CHC: Ted Lilly (34, LHP, 1-4, 4.30)

D'backs (20-27) @ Rockies (24-22), 3:10pm
  ARI: Dan Haren (29, RHP, 5-3, 4.79)
  COL: Jason Hammel (27, RHP, 1-3, 7.52)

Nationals (24-23) @ Giants (23-22), 3:45pm
  WSN: Craig Stammen (26, RHP, 1-2, 5.96)
  SFG: Barry Zito (32, LHP, 6-2, 2.80)

Cardinals (26-21) @ Padres (28-18), 6:35pm
  STL: P.J. Walters (25, RHP, 0-0, 4.50)
  SDP: Wade LeBlanc (25, LHP, 2-2, 3.32)

Pirates (20-27) @ Reds (27-20), 7:10pm
  PIT: Charlie Morton (26, RHP, 1-8, 8.71)
  CIN: Johnny Cueto (24, RHP, 4-1, 3.60)

Phillies (26-19) @ Mets (24-23), 7:10pm
  PHI: Cole Hamels (26, LHP, 5-2, 3.92)
  NYM: Mike Pelfrey (26, RHP, 6-1, 2.86)

Braves (24-22) @ Marlins (24-23), 7:10pm
  ATL: Tim Hudson (34, RHP, 5-1, 2.09)
  FLA: Ricky Nolasco (27, RHP, 4-3, 4.50)