One thing that has to improve, no matter who plays QB, is the Cowboys conversion rate on 3rd down. Offensively, the Cowboys are 30th in the NFL at converting on third down (30.2%). How does that compare to the top teams? Three teams are over 50%. Two are not surprising – Buffalo and Kansas City – while the third is surprising (Seattle). Nine other teams convert at over 40%. Even during the three game winning streak, the Cowboys are only …