‘The Bills are just 15-17 in two seasons under McDermott, but he earned a lot of respect around the league for coaxing a 10-6 campaign out of a subpar roster in 2017. The Bills’ offense took a step backward last year amid a massive personnel overhaul and quarterbacking done by rookie Josh Allen and injury replacements, but the defense showed significant strides, and that’s the side of the ball McDermott calls home.’