OAKLAND, Calif. – The Oakland A’s optioned right-handed pitcher Miguel Romero to Triple-A Las Vegas following yesterday’s game to clear a 28-man roster spot for right-handed pitcher Michael Feliz, the club announced today.

Romero was recalled from Las Vegas on Sept. 8 but did not appear in a game for the A’s. He is 3-6 with a save, a 6.40 ERA and .286 opponents batting average in 26 games, including 13 starts, with the Aviators.

Feliz was claimed off waivers from Boston yesterday and has pitched for three teams this year. He has a save, a 7.32 ERA and .309 opponent batting average in 20 relief appearances. The 28-year-old right-hander was on the Opening Day roster for Pittsburgh, was claimed off waivers by Cincinnati on May 14, released by the Reds on Aug. 25 and signed by Boston to a minor league contract on Aug. 28 before being called up by the Red Sox on Sept. 6. Feliz is 17-9 with a 5.33 ERA in 226 career appearances in seven seasons in the majors.