![Why Alex Mack Signed with the San Francisco 49ers - Sports Illustrated San Francisco 49ers News, Analysis and More Why Alex Mack Signed with the San Francisco 49ers - Sports Illustrated San Francisco 49ers News, Analysis and More](https://www.si.com/.image/t_share/MTc5NzIwOTM4ODY5MjM2OTc0/usatsi_14849100_168390361_lowres.jpg)
Why Alex Mack Signed with the San Francisco 49ers - Sports Illustrated San Francisco 49ers News, Analysis and More
![Ranking the NFL's top offensive linemen in run-block success percentage at each position | NFL News, Rankings and Statistics | PFF Ranking the NFL's top offensive linemen in run-block success percentage at each position | NFL News, Rankings and Statistics | PFF](https://media.pff.com/2019/06/Mack_RBS-1024x576.png)
Ranking the NFL's top offensive linemen in run-block success percentage at each position | NFL News, Rankings and Statistics | PFF
![PFF on X: "No. 45 on our list of top 50 players for the 2018 season... Alex Mack! https://t.co/OC4y6jOaba" / X PFF on X: "No. 45 on our list of top 50 players for the 2018 season... Alex Mack! https://t.co/OC4y6jOaba" / X](https://pbs.twimg.com/media/De4zMv_X0AUWMdS.jpg:large)
PFF on X: "No. 45 on our list of top 50 players for the 2018 season... Alex Mack! https://t.co/OC4y6jOaba" / X
![Falcons to potentially receive sixth-round compensatory draft pick for Alex Mack - SportsTalkATL.com Falcons to potentially receive sixth-round compensatory draft pick for Alex Mack - SportsTalkATL.com](https://i0.wp.com/www.sportstalkatl.com/wp-content/uploads/2020/03/dge191229206-atl-at-tb.jpg?fit=1000%2C800&ssl=1)
Falcons to potentially receive sixth-round compensatory draft pick for Alex Mack - SportsTalkATL.com
![PFF di X: "Alex Mack has been the top pass blocking center in the NFL so far this year. Rest of the top OL here: https://t.co/68HkJlzm4s https://t.co/bLpkfAzSiu" / X PFF di X: "Alex Mack has been the top pass blocking center in the NFL so far this year. Rest of the top OL here: https://t.co/68HkJlzm4s https://t.co/bLpkfAzSiu" / X](https://pbs.twimg.com/media/DLX6cf9XoAAJS9j.jpg)
PFF di X: "Alex Mack has been the top pass blocking center in the NFL so far this year. Rest of the top OL here: https://t.co/68HkJlzm4s https://t.co/bLpkfAzSiu" / X
![A down year for Alex Mack still equals the best run blocking center play in the NFL - The Falcoholic A down year for Alex Mack still equals the best run blocking center play in the NFL - The Falcoholic](https://cdn.vox-cdn.com/thumbor/tudsRv_d8fmwcCXm39MLnrCT4X4=/1400x1400/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/9910293/879702822.jpg.jpg)