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NEW YORK (AP) – Noted labor attorney Jeffrey Kessler will aid in the players’ union planned appeal of Tom Brady’s suspension.

The New England Patriots quarterback was suspended by the NFL for the first four games of the 2015 season for his role in the deflating of footballs. He has until 5 p.m. EDT on Thursday to file the appeal. His lawyer, Don Yee, and the union have said they will appeal.

Kessler has litigated some of the most famous sports antitrust cases, including working for a variety of player unions. He was instrumental in getting NFL free agency established and had a key role in helping end the league’s lockout of the players in 2011.

Along with Brady’s suspension, the NFL fined the Patriots $1 million Monday and stripped them of a 2016 first-round draft choice and a 2017 fourth-rounder.

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