'Yes, the Bills have Mike Tolbert, Joe Banyard and Cedric O'Neal behind LeSean McCoy, but letting Gillislee go to the Patriots may speak to the confidence the team has second year running back Jonathan Williams. Williams only had 24 carries in his rookie season, but it wasn't long ago that Williams was among the best running backs in the SEC. A foot injury sidelined Williams in his final season at Arkansas, but in 2014 he rushed for 1,190 yards and 12 touchdowns while forcing 44 missed tackles.'