Why did JC Tretter retire? NFLPA president and former Browns, Packers center explains decision and how NFL may have influenced it
JC Tretter announces retirement - BrownsZone with Scott Petrak
Veteran center J.C. Tretter to retire from NFL
Browns release C JC Tretter
NFLPA Elects J.C. Tretter As President
Browns release JC Tretter, union president
Akron graduate JC Tretter voted president of NFL Players Association
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Cleveland Browns J.C. Tretter Elected NFLPA President - Sports Illustrated Cleveland Browns News, Analysis and More