"Every week, there's a new challenge for him," offensive coordinator Jim Caldwell said. "Sometimes he's faced with a 345-pound nose guard standing right in front of him. The next week, it may be a 'two-high' [technique] that slants down over his right shoulder, different sort of pass rushers. Now he's had an opportunity to go through and see a number of different styles, a number of different techniques and things of that nature. How to handle all of the different looks that they give you, the movements, the disguise — it's a complicated scene in there for a young guy to be able to handle all those things, get the offense set, in both run and pass, and then function as well, in terms of his technique.