I know from a few ex-NHL tough guys that they get "challenged" by bar clowns pretty regularly who think they "looked at my girl" or whatever, trying to prove they are tougher than professional tough people. It generally doesn't go the way they're hoping. But I know that guys that look like Biz are prime for these people trying to prove themselves and it can get dangerous. Doesn't really sound like that's what happened here, but I'm guessing if "ex-NHL" was said by anyone in the exchange, some ape there needs to take a swing.
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