Alex Mack retires: Seven-time Pro Bowl center ends career after 13 seasons with Browns, Falcons and 49ers
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Niners center Alex Mack retires after 13 seasons, seven Pro Bowls
49ers C Alex Mack leaning towards retirement?
Silver]Seven-time Pro Bowl center Alex Mack is retiring after 13 seasons. The former Browns, Falcons and 49ers standout was one of the top linemen of his era. @BallySports @49ers : r/nfl
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7-time Pro Bowl C Alex Mack Retires After 13 Years In NFL - CBS Sacramento