A.J. Klein Stats & Bio | Bills Outside Linebacker

About A.J. Klein

A.J. Klein brings veteran leadership to the Buffalo Bills' linebacker corps as a dependable outside linebacker wearing #52. The Wisconsin native, born and raised in Appleton, has carved out a solid NFL career with his football intelligence and versatility. Standing 6'1" and weighing 240 pounds, Klein combines good size with tactical awareness that makes him valuable in both defensive packages and special teams. After an impressive collegiate career at Iowa State, Klein has established himself as a respected journeyman defender known for his preparation and professionalism. His ability to quickly grasp defensive schemes has made him a trusted presence for the Bills coaching staff. What separates Klein is his reliability in multiple facets of the game – from run support to coverage responsibilities – making him the type of consistent, team-first player that championship-caliber rosters require.

Updated: Jun 2, 2025