Raiders, Cowboys and a Fan Fought During Joint Practice Brawl
By Ty Duffy

The Cowboys and Raiders held a joint practice. Things got heated, in two separate incidents. The video is poor quality, though it appears a fan ripped off a player’s helmet.
Cowboys-Raiders brawl after Mo Claiborne puts TE Mychal Rivera on his back and barks to crowd. Whole Dallas D and Oakland O involved.
— Tim MacMahon (@espn_macmahon) August 13, 2014
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