WR Kamar Aiken
OL Mark Asper
TE Kevin Brock
RB Zach Brown
LB Tank Carder
OL James Carmon
WR Marcus Easley
DE Robert Eddins
DT Dwan Edwards
DT Jarron Gilbert
DB Isaiah Green
WR Derek Hagan
DT Kellen Heard
WR Ruvell Martin
LB Scott McKillop
P Shawn Powell
WR Naaman Roosevelt
DB Nick Saenz
OL David Snow
RB Johnny White
OL Keith Williams
Tyler Thigpen did make the Bills' 53-man roster, as did H-back Dorin Dickerson. The Bills will carry four quarterbacks into the season.
Five wide receivers were cut: Marcus Easley, Naaman Roosevelt, Kamar Aiken, Derek Hagan and Ruvell Martin.
Other notable players released were 2012 draft picks Tank Carder and Mark Asper, defensive lineman Dwan Edwards, and backup running back Johnny White.
In all 21 players were released Friday.
Rookie Zebrie Sanders was placed on Injured Reserve.