That’s another issue with the Bills coaches over the past few years. The Bills had the #4 defense under Jim Schwartz, next two years, they bring in Wrecks Ryan, he changes the defense and they regressed significantly. The Bills offense the past two years was good, had the #1 rush offense, but the new OC decides to scrap what the Bills did successfully and implemented his own offense, instead of tailoring his system to the strength of his players and the offense regressed. Good coaches play to the strengths of their players, not just implement a system and have their players either sink or swim in it.