Center Alex Mack announces retirement after 13 NFL seasons - ESPN
49ers sign 6-time Pro Bowl C Alex Mack to 3-year deal
In-depth look at Super Bowl LI matchup between Falcons and Patriots – New York Daily News
Falcons center Alex Mack models the perseverance that all young athletes should strive for
Falcons agree to 5-year deal with center Alex Mack
Matt Ryan: Alex Mack's addition was huge to Atlanta Falcons
Remember When 6X NFL Pro Bowler Alex Mack Played Through Appendicitis?
Alex Mack Is the Most Important Falcons Player in Super Bowl LI, News, Scores, Highlights, Stats, and Rumors
Alex Mack set to play Super Bowl LI on broken leg, say reports, Atlanta Falcons