Alex mack hi-res stock photography and images - Alamy
49ers injury news: Deebo Samuel aggravated his calf injury and won't practice today - Niners Nation
Kyle Shanahan provides clarity on 49ers' unsettled center situation
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Alex Mack Stats, News and Video - C
Alex mack hi-res stock photography and images - Alamy
252 Alex Mack Falcons Stock Photos, High-Res Pictures, and Images - Getty Images
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San Francisco 49ers sign Pro Bowl center Alex Mack to 3-year deal - ESPN
NFL.com still worried about 49ers center situation sans Alex Mack
Alex Mack Stats, News and Video - C