Carle began the season in Atlanta but was sent down April 5 after allowing five earned runs in 3 2/3 innings over three appearances out of the bullpen. He did not give up a run in four innings with the International League team.
Venters is off to a rough start this season. The left-hander has surrendered six earned runs in 2 2/3 innings for a 20.25 ERA. In six games, he gave up six hits, two homers and five walks.
The Braves announced the move before Tuesday's game against the Arizona Diamondbacks.