Hentges will undergo surgery on Sept. 18 to repair the capsule and labrum in his left shoulder, Mandy Bell of MLB.com reports.
The Guardians transferred Hentges (shoulder) to the 60-day injured list Monday.
Hentges has been pulled off his rehab assignment due to renewed soreness in his left shoulder, Zack Meisel of The Athletic reports.
Hentges (shoulder) is scheduled to pitch for Triple-A Columbus on Tuesday, Chris Assenheimer of the Elyria Chronicle-Telegram reports.
The Guardians placed Hentges on the 15-day injured list Friday due to left shoulder inflammation, Joe Noga of The Cleveland Plain Dealer reports.
The Guardians activated Hentges from the paternity leave list Thursday.
The Guardians placed Hentges on the paternity leave list Monday, Mandy Bell of MLB.com reports.
The Guardians activated Hentges (finger) from the 15-day injured list Monday.
Hentges (finger) will begin a rehab assignment with Double-A Akron on Friday, Tom Withers of the Associated Press reports.
Hentges (finger) is scheduled to resume throwing live batting practice sessions early next week, MLB.com reports.