The pitching matchups are in for the three-game series with the last-place Nationals that begins Tuesday night in D.C. with Johan Santana (pictured) on the mound for the Mets. Here is the breakdown:

Tuesday — LHP Johan Santana (9-7, 2.85) vs. LHP Odalis Perez (5-8, 4.10), 7:10 p.m., SNY.

Wednesday — RHP John Maine (9-7, 4.13) vs. RHP Jason Bergmann (2-8, 4.13), 7:10 p.m., SNY.

Thursday — LHP Oliver Perez (8-7, 3.90) vs. RHP Collin Balester (2-4, 4.66), 7:10 p.m., SNY.