Alex Mack announces retirement
by Ari Koslow | Thu, Jun 2nd 2:42pm EDT
Alex Mack announced his retirement from the NFL after 13 seasons. (Michael Silver on Twitter)
Fantasy Impact:
This was expected by many after Mack restructured his contract Thursday morning. He was a seven-time Pro Bowler and made second-team All-Pro three times. He started every game at center for the 49ers last season.
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