August 25 Training Camp Notes: Cowboys OT Tyron Smith out
Former Browns' center and NFLPA President JC Tretter announced his
JC Tretter Re-Elected as NFLPA President
Former Cleveland Browns C JC Tretter retires
Tretter '13 and Katz Discuss Union Leadership
JC Tretter announces his retirement - NBC Sports
JC Tretter Announces Retirement
Why did JC Tretter retire? NFLPA president and former Browns
JC Tretter, former Cleveland Browns center, retires after 8
Former Browns center JC Tretter retires