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Detroit Lions Free Agency
Lions defensive tackle John Penisini announces retirement
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Detroit Lions John Penisini announces NFL retirement - Sports Illustrated Detroit Lions News, Analysis and More
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Utah football: John Penisini retires after 2 NFL seasons with Detroit Lions - Deseret News
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Former Detroit Lions DT John Penisini unretires - Detroit Sports Nation
Lions' John Penisini Reveals Thoughts About Retirement
John Penisini: Breaking News, Rumors & Highlights