6 / 15

Why they rank: The defense will carry the Rebels in a lot of games, and it's strong from the line all the way back to the safeties. It appears LaQuon Treadwell is well on his way back from a gruesome injury that ended his 2014 season, a welcome sight for an Ole Miss offense that will break in a new quarterback.

How they might falter: Ole Miss has struggled to run the ball when it matters most. As well, Ole Miss has launched an investigation into alleged violations involving star offensive tackle Laremy Tunsil and acknowledged NCAA involvement in the case. The situation could prove to be a distraction.