NFLPA president JC Tretter rips into the condition of Soldier
JC Tretter, former Cleveland Browns center, retires after 8
Akron HS grad JC Tretter retires after 8-year NFL career
JC Tretter retiring from the NFL after nine-year career - Sports
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Ex-Browns center, NFLPA president Tretter announces retirement
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Veteran NFL Player Announces Retirement at 31, Announces Future Plans
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JC Tretter Retires from NFL at 31; Former Packers, Browns Center