For me, the obvious one is Johnny. Playing each other as long as we have, we're always picking things up from each other. While I bust his balls all the time about stealing my offense (which he's always done

Carlwayne: Not necessarily anything he did in particular, but I played him a couple times and spoke afterwards, and the thing that impressed me was his discipline. Not making any big mistakes, settling for an 8 yd gain on 4th and 15 instead of throwing an INT, that sort of thing. Nole falls into this as well
Shel/BIGmike: Played them both a few years back while Shel was at Northwestern and Mike at Michigan, and they had the "I dont give a shit what youre doing, Im gonna throw it all over you and there isnt anything you can do about it" game. Being at a bottom feeder school in a BCS conference forced me to change my philosophy and I started down the way of slingin' rocks