The New Orleans Saints will enter camp with a full-on quarterback battle. Derek Carr retired due to ongoing shoulder injuries, and now the Saints have Jake Haener, Spencer Rattler, or Tyler Shough at the QB position.

Derek Carr ran out of gas. Carr, 34, announced Saturday that he is retiring from the NFL rather than undergoing shoulder surgery —to repair a labral tear and damage to his rotator cuff — that likely would have ruled him out for the season.

New Orleans Saints quarterback Derek Carr is set to retire after dealing with a shoulder injury, NFL Network Insiders Ian Rapoport, Tom Pelissero and Mike Garafolo reported on Saturday, per sources. Carr later announced his retirement from the NFL.