Alex Mack, a former first-round pick of the Browns, was named to seven Pro Bowls and made the All-Pro second team three times in his 13-season career.
Cleveland owner Jimmy Haslam says the Browns have told Johnny Manziel to start acting "like a backup quarterback."
The Cleveland Browns matched the five-year offer sheet that center Alex Mack signed earlier Friday with the Jacksonville Jaguars.
Browns' transition-tagged center Alex Mack signed his five-year, $42 million offer sheet that includes $26 million guaranteed with the Jacksonville Jaguars, per sources.
The Jacksonville Jaguars will sign Cleveland Browns Pro Bowl center Alex Mack to a five-year offer sheet by Friday, league sources told ESPN.
