Bills news: Offensive line faces test, Christian Kirksey is retiring
RETIREMENT IN BUFFALO - AJ Klein is BACK
Bills LB Christian Kirksey Retires Weeks After Signing
Bills news: Offensive line faces test, Christian Kirksey is retiring
A.J. Klein: Breaking News, Rumors & Highlights
Bills guard David Edwards knows how to deal with highs, lows of NFL
Bills release linebacker A.J. Klein
Bills LB Christian Kirksey retires, A.J. Klein signed back to practice squad - Buffalo Rumblings
Bills sign A.J. Klein to practice squad
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Ex-Bills LB's Wife Posts Emotional Message After Abrupt Retirement
Bills bring back Klein to practice squad as Kirksey retires
Bills sign LB Klein to practice squad after Kirksey tells team he plans to retire