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.
Bills sign LB Klein after Kirksey says he plans to retire
Bills sign LB Christian Kirksey, QB Shane Buechele to practice squad
Bills sign A.J. Klein to practice squad
Bills sign LB Klein after Kirksey says he plans to retire
Bills LB Christian Kirksey Retires Weeks After Signing
Bills bring LB A.J. Klein back to practice squad, Christian
Bills Veteran Hints at Retirement Ahead of Contract Year
Bills LB Christian Kirksey is retiring
Bills Linebacker Christian Kirksey Retires at 31 Years Old
New Bills LB Christian Kirksey getting up to speed quickly
Buffalo Bills sign LB Christian Kirksey, QB Shane Buechele
Bills news: Offensive line faces test, Christian Kirksey is retiring
Bills sign LB Christian Kirksey, QB Shane Buechele to practice squad
Bills LB Christian Kirksey retires, A.J. Klein signed back to