The Bills took the fantasy football world by storm in 2020 thanks to stellar seasons from quarterback Josh Allen and wide receiver Stefan Diggs. But their running backs left a lot to be desired. Is that a reflection on offensive coordinator Brian Daboll? Plus why haven’t the Patriots produced more than three top 15 running backs under OC Josh McDaniels? Sports Illustrated’s senior fantasy football analyst, Michael Fabiano, takes a look at historical stats and performances under the AFC East’s current coaching staffs.