After all his contributions, it's easy to forget that Tyrann Mathieu was once an unheralded true freshman. His dismissal from LSU's roster leaves the Tigers with just one experienced cornerback. It also leaves a massive hole at nickelback -- the spot where the Honey Badger caused the majority of his chaos.

So who takes over in these two spots?

1. CB Jalen Collins: Take a gander at the roster and find a better replacement cornerback than Collins -- there isn't one. The Olive Branch, Miss., native is only a redshirt freshman with no in-game experience, but that makes him the second-most experienced corner on the team behind Tharold Simon. The rest of LSU's corners are straight from high school. Collins impressed last spring, but he was picked on often during the team's spring game in April. On a defense this talented, he'll be the weak link by default, but the Tigers have a good history of youngsters stepping up.

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