The NFL Players A sociation has formally filed a complaint against the for not allowing hero to participate on the field during the team's first six offseason training activities, NFL Media's Albert Breer reported Thursday. ESPN first reported the news.Butler himself has nothing to do with the complaint, per Breer. The NFLPA is allowed to move forward DeMarcus Ware Jersey without his consent.The NFLPA is filing the complaint on the grounds that club officials cannot tell a player that offseason activities are not voluntary, citing the current collective bargaining agreement. Butler was not allowed to participate because he was late to the first offseason training activity due to a cancelled flight, .In limited media appearances this summer, Butler has kept quiet about the i sue and said only that . head coach Bill Belichick did not directly addre s the i sue when asked by reporters.Breer notes that generally the union will ask for materials such as practice attendance and participation records, practice film, and discipline schedules in cases like this to see if there is a pattern and whether more than one player was disciplined.When contacted by NFL Media on Thursday, the club declined Leighton Vander Esch Jersey to comment on the matter.The latest Podcast to discu s non- contenders, and an all-new 'Orr You Kidding Me.' Find more content on .