'"In 2015, Darby came in and immediately started for the Bills and as a rookie, earned an incredible 86.1 overall grade — the third-highest PFF overall grade ever for a rookie cornerback. While 2016 was certainly a step back, he at least maintained a strong performance defending the run, and was far from alone in regressing in a Bills' defense that capitulated over the season. Darby's ability showed that he can play at elite levels from day one, earned him the selection here over his competition."'