Ameer Abdullah underwent surgery to repair a torn labrum in his shoulder in January.
The Detroit Lions expect him back by the start of training camp.
Jim Caldwell confirmed Abdullah had surgery but declined to give specifics, including whether Abdullah was playing with the injury the entire season.
He also said "we'll see" when he expects Abdullah to return.
"He's recovering nicely," Caldwell said.
Abdullah was a second round pick in 2015 and led the Lions in rushing yards with 597.