Former Browns center JC Tretter retiring after 8 NFL seasons, will
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Cleveland Browns Release C J.C. Tretter - Sports Illustrated
JC Tretter will remain as the NFLPA president for another 2-year term
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Why the Browns Released J.C. Tretter - Sports4CLE, 3/15/22
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NFLPA president JC Tretter urges teams to use exclusively grass
Former Packers offensive lineman JC Tretter retiring from NFL
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