The Bills today announced that the team has signed two free agents DE Andrew Bowers and DB Kenneth Harris. Bowers (6-5, 297), a two-year starter out of Utah, originally signed with the Arizona Cardinals as an undrafted free agent (2001). Harris, a 5-11, 205-pound defensive back out of Northern Iowa University, is originally from Buffalo and a graduate of St. Joseph Collegiate Institute, where he played both running back and defensive back.