On deckSunday's pitching matchupRANGERS STARTER LHP MARTIN PEREZ (1-2, 13.14) has the sixth-highest ERA since 1900 through three starts. Perez has the highest batting average against among major-leaguers with 10 innings at .453. Right-handed batters are hitting .455 with a .709 slugging percentage against Perez.LOVES TO FACE: Robinson Cano has seven hits, all singles, in 31 career at-bats against Perez.HATES TO FACE: Kyle Seager has four homers and seven RBIs in 44 career at-bats against Perez.SEATTLE STARTER RHP ERASMO RAMIREZ (Season debut) was the tentative choice as of midnight Saturday.