CINCINNATI — Livan Hernandez‘s debut as the fifth starter Saturday is among the pitching matchups for the Mets’ three-game series with the Marlins that opens tomorrow night in Miami. Here is the breakdown:

Friday — RHP John Maine (debut) vs. RHP Anibal Sanchez (debut), 7:10 p.m., SNY.

Saturday — Hernandez (debut) vs. RHP Ricky Nolasco (1-0, 7.50), 6:10 p.m., SNY (first hour blacked out).

Sunday — LHP Johan Santana (1-0, 1.59) vs. RHP Josh Johnson (1-0, 0.00), 1:10 p.m., SNY and TBS.