![NFL on X: "7x Pro Bowl center Alex Mack announces retirement after 13 seasons. https://t.co/vbi9FYUJQ6" / X NFL on X: "7x Pro Bowl center Alex Mack announces retirement after 13 seasons. https://t.co/vbi9FYUJQ6" / X](https://pbs.twimg.com/media/FUVeZwUXEAAt43o.jpg)
NFL on X: "7x Pro Bowl center Alex Mack announces retirement after 13 seasons. https://t.co/vbi9FYUJQ6" / X
![Former Cal Star Alex Mack Signs 3-Year Deal With 49ers - Sports Illustrated Cal Bears News, Analysis and More Former Cal Star Alex Mack Signs 3-Year Deal With 49ers - Sports Illustrated Cal Bears News, Analysis and More](https://www.si.com/.image/ar_4:3%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:good%2Cw_1200/MTc5NjcyMzEwNDQ0MjA1ODk4/alex-mack-pool-photo-usa-today.jpg)
Former Cal Star Alex Mack Signs 3-Year Deal With 49ers - Sports Illustrated Cal Bears News, Analysis and More
![Alex Mack Reportedly Agrees to Contract with Falcons | News, Scores, Highlights, Stats, and Rumors | Bleacher Report Alex Mack Reportedly Agrees to Contract with Falcons | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://img.bleacherreport.net/img/images/photos/003/581/053/hi-res-4258121208f05676af8e16cab83b2020_crop_exact.jpg?w=1200&h=1200&q=75)
Alex Mack Reportedly Agrees to Contract with Falcons | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
![Weary of losing, Falcons' Alex Mack was ready for a change of uniform - ESPN - Cleveland Browns Blog- ESPN Weary of losing, Falcons' Alex Mack was ready for a change of uniform - ESPN - Cleveland Browns Blog- ESPN](https://a.espncdn.com/combiner/i?img=%2Fphoto%2F2017%2F0203%2Fr177689_1296x729_16%2D9.jpg)
Weary of losing, Falcons' Alex Mack was ready for a change of uniform - ESPN - Cleveland Browns Blog- ESPN
![Alex Mack's Difficult Decision to Finally Leave Cleveland | News, Scores, Highlights, Stats, and Rumors | Bleacher Report Alex Mack's Difficult Decision to Finally Leave Cleveland | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://img.bleacherreport.net/img/images/photos/003/584/709/hi-res-67190ab786665385c9153568e59d9e1a_crop_north.jpg?1458658113&w=3072&h=2048)
Alex Mack's Difficult Decision to Finally Leave Cleveland | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
![Falcons standout center Alex Mack becomes a free agent after this season, so the question about his retirement must be asked - Sports Illustrated Cal Bears News, Analysis and More Falcons standout center Alex Mack becomes a free agent after this season, so the question about his retirement must be asked - Sports Illustrated Cal Bears News, Analysis and More](https://www.si.com/.image/ar_1:1%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:good%2Cw_1200/MTcyODk4NDY2MjY2MDk3MTg0/alex-mack-jason-getz.jpg)