‘Under second-year coordinator Matthew Smiley, the Bills’ special teams went through a big decline. The group that finished No. 1 in DVOA in 2022 dropped to No. 15 in 2023, according to FTN Fantasy. DVOA stands for defense-adjusted value over average and is a system that breaks down every NFL play, then compares a team’s performance to a league baseline based on situation in order to determine value over average.’