Browns center Alex Mack is expected to opt-out of his contract
Alex Mack recently signed a 5 year deal worth 42 million dollars, that included 26 million dollars guaranteed, and he is now expected to be a free agent again.
The 29 year old is expected to opt out of his contract according to Ian Rapoport. 
Mack appeared in all 16 games last season and was rated by Pro Football Focus as the No. 16 center out of 40 qualifying players.
The Jaguars signed Mack to a huge offer sheet last year but the Browns decided to match it.
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