By A Mystery Man Writer
Klein has 10 seasons of NFL experience and is familiar with the Bills defense after playing for the team in 2020 and ’21 and part of last season.
LB Christian Kirksey informs Bills he's retiring from NFL - ESPN
Bills sign LB Christian Kirksey, QB Shane Buechele to practice squad
Bills sign LB Christian Kirksey, QB Shane Buechele to practice squad
Jim Kubiak: Double-edged sword that is Josh Allen cuts the right
Christian Kirksey: Breaking News, Rumors & Highlights
New Bills LB Christian Kirksey getting up to speed quickly
Bills sign LB Christian Kirksey, QB Shane Buechele to practice squad
Bills new LB Christian Kirksey ready to make a difference
Bills sign LB Klein to practice squad after Kirksey tells team he
Bills LB Christian Kirksey To Retire
Bills sign LB Klein to practice squad after Kirksey tells team he
LB Christian Kirksey informs Bills he's retiring from NFL - ESPN
Bills LB Christian Kirksey Retires Weeks After Signing
Bills Veteran Hints at Retirement Ahead of Contract Year