He's a huge guy, weighing 411 as an incoming freshman to LSU. He isn't athletic enough to play T, and he uses poor leverage at G. This enables DTs to drive him into the backfield, which isn't the ideal place for a 350lb lineman to be. That's why he isn't a surefire 1st round pick. His size and upside alone is enough to warrant a 2nd round pick, though.