LSU has had three Heisman Trophy winners and countless other great players and coaches in the history of its football program. But with the recent retirement of Tyrann Mathieu from the NFL, we ask our insiders: Who would you put on an LSU football Mount Rushmore? Billy Cannon, Joe Burrow and Jayden Daniels are locks — or are they? And who is the fourth? Mathieu, Kevin Faulk, Tommy Casanova, Glenn Dorsey, Nick Saban, Patrick Peterson  the possibilities are plentiful. Join our fun pre-camp discussion by leaving your picks in the comments. #lsu #lsutigers #geauxtigers #collegefootball #lsufootball