Heading into the preseason, the Buffalo Bills had high expectations.
The defense was coming off a season in which it was second in the league in sacks, and despite losing Kiko Alonso, the unit looks to be stout again. Meanwhile, the team overhauled the offensive line and skill positions, all with the goal of giving EJ Manuel more help and an easier path to success.
So far, the Bills have looked good in some areas. The defense indeed appears stout again, and newcomers such as Brandon Spikes and Keith Rivers have shown early returns.
But there are still some concerns surrounding the Bills as the regular season quickly approaches. Let's take a look at the five biggest disappointments for the Bills during the preseason. When compiling the rankings, we took into account positional importance, level of underachievement and expectations surrounding each player/unit.