Cole came off the DL on Wednesday night to face the Braves.
Cole was put on the disabled list for the second time this season on July 9 because of soreness in his right lat. He also was out for three weeks in June because of right shoulder soreness.
The overall No. 1 pick from the 2011 draft is 7-4 with a 3.78 ERA in 14 starts.
Infielder Brent Morel was optioned to Triple-A Indianapolis to make room for Cole on the 25-man roster.