Deflate-Gate: NFL Union Appeals Tom Brady's Suspension

Tom Brady #12 of the New England Patriots.
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Tom Brady #12 of the New England Patriots.

Tom Brady appealed his four-game Deflate-Gate suspension on Thursday through the NFL players union, which asked the commissioner to appoint an independent arbitrator to hear the case.

The NFL Players Association said in a statement:

Given the NFL's history of inconsistency and arbitrary decisions in disciplinary matters, it is only fair that a neutral arbitrator hear this appeal. If Ted Wells and the NFL believe, as their public comments stated, that the evidence in their report is "direct" and "inculpatory," then they should be confident enough to present their case before someone who is truly independent.

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Brady, the star quarterback of the New England Patriots, was suspended after an investigator hired by the NFL concluded that team personnel probably let air out of footballs before the AFC championship game and that Brady probably knew about it.

Read MoreDeflategate: Brady appeal won't be easy

His appeal came on the same day that the team released a lengthy rebuttal — almost 20,000 words — to the investigator's report.

The Patriots were fined $1 million, and the league stripped them of two draft picks.