Troy Aikman. Got to QB an offense with one of the greatest RBs ever (is Emmitt top 3 or top 5?), a top notch blocking FB, an amazing talent at WR in Irvin, and unbelievable OL.
He's 34th all time in yards, by my look 16 of the guys ahead of him retired after him or are still active. 68th in TDs. Career stats averaged out over his 12 years: 2745 yards, 13.75 TD, 11.75 INT. Even though he didn't play in the same era as today's QBs, that's....kind of putrid. The only thing he has going for him is 3 rings.