Veteran center Alex Mack has announced his retirement following a 13-year career with the Cleveland Browns, Atlanta Falcons and San Francisco 49ers.
Mack was selected with the 21st overall pick of the 2009 draft by the Browns. During his seven seasons in Cleveland, Mack was named to three Pro Bowls and twice was a second-team All-Pro.
He then spent five seasons with the Falcons, and was voted to three more Pro Bowls and was twice named a second-team All-Pro. He also made his only Super Bowl appearance in Atlanta's Super Bowl LI loss to the New England Patriots.