OAKLAND, Calif. – A’s right-handed pitcher Sonny Gray has undergone successful surgery on his left thumb, the team announced today.

The surgery was performed Thursday by Dr. Thomas Graham at the Cleveland Clinic Hospital. The procedure was an internal fixation with a screw to repair the thumb fracture. Full stability of the thumb has been restored and Gray is expected to be fully recovered in time for spring training in February 2014.

Gray was 5-3 with a 2.67 ERA in 12 games, 10 starts, with the A’s this season. The former number one draft pick out of Vanderbilt became a instant local star after his July call up from Triple-A Sacramento. He was also 0-1 with a 2.08 ERA in two ALDS starts, including a no decision October 5 where he tossed eight scoreless innings.