A top five list of free agent signings that have gone on to change their team forever.
5. Charles Woodson, Green Bay Packers, Cornerback
Before Woodson joined Green Bay in 2006, he was known purely for winning the 1997 Heisman Trophy, and the tuck rule incident. A cast off in Oakland, Green Bay picked him up on a low contract, and Woodson revived his career, winning a Super Bowl in 2010, and Defensive Player of the Year in 2009.
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