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NFLPA president on Soldier Field turf: 'NFL can and should do
The NFL cast JC Tretter out; the NFLPA president says that only
NFLPA President JC Tretter Gives Dumb Advice, Encourages Running
As Aaron Rodgers' injury resurfaces grass vs. turf debate, NFL's
NFL slammed by NFLPA's JC Tretter over Soldier Field fiasco
NFLPA president JC Tretter rips into the condition of Soldier
JC Tretter makes retirement decision amid blackball speculation
NFLPA president JC Tretter rips NFL's Soldier Field standards
NFL Archives - Wry Wing PoliticsWry Wing Politics
NFLPA president JC Tretter rips into the condition of Soldier
New data shows NFL injuries in artificial turf stadiums mostly
NFL players union president blasts Soldier Field conditions