Damien Harris as Bills RB1? Sean McDermott calls 'speed' biggest factor, plus where to draft James Cook | CBS Sports Headlines Damien Harris as Bills RB1? Sean McDermott calls 'speed' biggest factor, plus where to draft James Cook McDermott told CBS Sports he believes Harris’ ability to break long runs … Continue reading Damien Harris as Bills RB1? Sean McDermott calls 'speed' biggest factor, plus where to draft James Cook