http://www.espn.com/nfl/story/_/id/20164155/nfl-best-worst-offensive-arsenals-running-backs-wide-receivers-tight-ends-32-1-2017-nfl-season
"24. Buffalo BillsShady McCoy continues to impress as he enters his age-29 season, but he has missed time in each of his first two seasons with the Bills, and that's without considering the high ankle sprain he suffered in Week 17. Charles Clayhas failed to deliver in Buffalo while struggling with a persistent knee injury, and the team played Sammy Watkins through a clearly debilitating foot injury before Watkins hit the shelf in 2016. If Watkins isn't 100 percent, the depth chart behind him is scary, led by players such as Walter Powell, Andre Holmesand second-rounder Zay Jones."
The depth is a real problem with this team.