17 NFL players to come out of retirement

Rob Gronkowski will return as a Tampa Bay Buc, becoming another player who returned after retiring.

Gary Anderson

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Longtime NFL kicker Gary Anderson announced his retirement in 2002. But when the Titans called in September 2003, he answered the phone. Anderson ended up playing two more seasons, both with Tennessee. He finally called it quits after the ’04 season. He was 45.