Fresh off taking two of three from the Marlins in Miami, the Mets will lead off a key, three-game series (and potential playoff preview) against the Brewers in Milwaukee on Monday afternoon with ace Johan Santana (pictured). Here is the pitching breakdown for the series:

Monday — LHP Johan Santana (12-7, 2.70) vs. RHP Ben Sheets (12-7, 3.05), 2:05 p.m., SNY.

Tuesday — LHP Jonathan Niese (big-league debut) vs. LHP Manny Parra (10-6, 4.00), 8:05 p.m., SNY.

Wednesday — LHP Oliver Perez (9-7, 3.90) vs. RHP Dave Bush (9-9, 4.12), 2:05 p.m., SNY.