Carroll, 29, had Tommy John surgery in October 2012 and considered quitting baseball. He returned to the mound July 5, 2013, and had a 3.29 ERA in 11 combined starts between Rookie-Bristol and Double-A Birmingham last season.
• The White Sox have scored 134 runs this season, up from 89 at the same point last season.
• Adam Dunn (445) and Paul Konerko (434) rank third and sixth, respectively, among active players in home runs.
Joe Popely is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.