Not participating at Buffalo's final OTA session on Friday were CB Aaron Williams, CB Terrence McGee, DB Delano Howell, FS Josh Nesbitt, OT James Carmon, C Eric Wood, DT Kellen Heard, RT Erik Pears, TE Mike Caussin, DE Spencer Johnson, NT Torell Troup, DE Lionel Dotson and DT Marcell Dareus.