Mack suffered the injury after catching an underneath pass in the second quarter Sunday. He immediately grabbed his ankle, got up and took off his helmet before waving for assistance from the Colts' sideline. Taylor and Hines should continue to to split up most of the workload, each had 15 touches in Week 1. Hines stole the show a bit, though, collecting a rushing and receiving TD. Hines is expected to at least continue to have a role in the passing game.