The Mets have optioned RHP Gerson Bautista to Triple-A Las Vegas and recalled RHP Corey Oswalt.
Bautista, 22, has allowed two runs over 2.1 innings (7.71 ERA) with the Mets this season on three hits and four walks. With Double-A Binghamton, Bautista hasn't given up a run in five innings with 11 strikeouts.
Oswalt, 24, hasn't made an appearance in the majors in his career. This season with Triple-A Las Vegas, Oswalt has given up three runs in nine innings (3.00 ERA) with 12 strikeouts.
Oswalt and the Mets take on the Braves on Saturday night at 7:10 p.m.