The ONLY way that what Alexander did is ok, is if he felt his life was being threatened and he was defending himself. That's it.
I don't care what anyone says to another human being, no matter what the insult, it is never ok to use violence. Just walk away and be a man. You need to be able to control yourself, no excuses.
I understand coaches wanting to wait until the true story comes out, but anything other than his life being in danger won't cut it for me as an excuse.
Maybe they were wearing Hawkeye gear.