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Alex Mack, former Falcons center, retiring after 13 NFL seasons
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Center Alex Mack announces retirement after 13 NFL seasons - ESPN
NFL on X: 7x Pro Bowl center Alex Mack announces retirement after 13 seasons. / X
Alex Mack retires: Seven-time Pro Bowl center ends career after 13 seasons with Browns, Falcons and 49ers
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7-time Pro Bowl C Alex Mack retires after 13 years in NFL, Sports
Seven-time Pro-Bowl center Alex Mack officially announced his retirement after 13 seasons in the NFL.
Former Falcons center Alex Mack announces retirement