(Photo credit: Petre Thomas-Imagn Images)Ole Miss quarterback Austin Simmons is unlikely to play against Tulane on Saturday due to an ankle injury, ESPN reported Friday. The 13th-ranked Rebels (3-0) will turn to Trinidad Chambliss to make his second consecutive start when the Green Wave (3-0) visit Oxford, Miss. ESPN reported that Simmons aggravated his ankle injury during his relief appearance against the Razorbacks. Simmons, a sophomore, has completed 34 of 56 passes for 580 yards with four touchdowns and four interceptions in three games this season. He rushed 15 times for 62 yards and two scores.