‘It will be up to the coaching staff to keep them both happy. If not, healthy competition could turn into an unhealthy feud. The last things the Bills need right now is a divisive rift worthy of the Flutie-Johnson debacle of a few years ago. If that happens, one of them would have to go. The Bills could be sitting on running back situation that’s either dynamite or a powder keg. It’s up to them to light the right fuse.’