B.J. Raji ready for 'different challenge'
Green Bay Packers' B.J. Raji to take year off, could retire
Column: Time for empathy about concussions in football
Where is BJ Raji now? : r/GreenBayPackers
The NFL's 2016 All-Retirement team could totally win Super Bowl LI
What Happened to BJ Raji? (Why He Turned Down Millions & Retired in His Prime)
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Defensive lineman B.J. Raji weighs Packers' low-dollar, short-term offer
For Packers, Regrets Now, Questions Later - The New York Times
Packers defensive tackle B.J. Raji has retired from the NFL
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