Tempers have bubbled -- and fists have flown -- in Houston.
Check it out:
NFL Network's Mike Garafolo noted Texans coach Bill O'Brien booted Hopkins from practice following the scuffle.
Bottom line: None of this is unusual for a team-against-team scrimmage in August. It's not the kind of thing you'd expect to break out at some hollowed-out corporate office between suit-and-tie drones, but it's just another day in the NFL.