In , Atlanta planned to have Devine start the season at Triple-A Richmond as the closer, but injuries to Horacio Ramírez and Blaine Boyer forced the Braves to call him up along with fellow reliever Ken Ray. Devine struggled once again, however, pitching a total of one inning in two games against the San Francisco Giants and giving up seven runs on five hits, five walks, and two wild pitches. Devine was optioned back to Richmond afterwards, with Peter Moylan serving as his replacement in Atlanta's bullpen. Devine was called up again in September and continued to pitch in Atlanta until the end of the regular season. "Baseball America" rated Devine as the Braves' ninth-best prospect entering . Devine spent the majority of the 2007 season at Mississippi, though he was called up by Atlanta several times. On September 22, Devine earned his first major league victory against the Milwaukee Brewers. He finished the 2007 season 1-0 with a 1.08 ERA.