BALTIMORE — The pitching matchups are now in for this weekend’s interleague series with the defending AL champion Rays at Citi Field that will include Johan Santana‘s closely watched start on Saturday. Here is the breakdown:

Friday — RHP Andy Sonnanstine (5-6, 6.65) vs. RHP Fernando Nieve (1-0, 2.08), 7:10 p.m., PIX-11.

Saturday — RHP James Shields (5-5, 3.52) vs. Santana (8-4, 3.29), 4:10 p.m., FOX.

Sunday — RHP Jeff Niemann (6-4, 4.21) vs. RHP Mike Pelfrey (5-2, 4.56), 1:10 p.m., SNY.