Bill O’Brien, Duane Brown downplay sideline spat

When Texans coach Bill O’Brien was offensive coordinator of the Patriots, he had a much-publicized sideline spat with Tom Brady. O’Brien has received a lot less attention for a sideline spat he had with Texans left tackle Duane Brown on Sunday. That’s partly because O’Brien and Brown insist the incident was no big deal. O’Brien…