Cobbs numbers weren't very high at first, not because I didn't know how to use him (he's been in the EXACT same spots/plays since we signed him).
The first few seasons we had him we were like 55/45 pass run... partly due to having a S* RB. We have slowly shifted to 70/30ish. We also used to run the ball once we were up a ton (ex -
http://glb2.warriorgeneral.com/game/game/98136 ), we don't do that as much anymore...