Perez is 7-1 with a 3.14 ERA in his last nine starts. He has made two starts against the A's this season, going 1-1 with a 4.00 ERA. He is 6-6 with a 5.03 ERA against them in his career. He is 4-4 with a 3.88 ERA in 12 road starts this year.
Cotton was scratched from his scheduled start Sept. 18 with a groin strain shortly before first pitch, but he threw a full bullpen session Friday and is good to go. He’s 3-0 in his last five starts and hasn’t lost since Aug.