It's one thing to get a little chippy in a scrum on the football field, but it's a completely different situation when you're trying to chokehold the starting quarterback on the other team. Clemson linebacker Ben Boulware clearly had a strong hold on Louisville quarterback Lamar Jackson's neck and he was not happy about it.
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It was really only a couple levels down from this:
Jackson was livid after the play and almost went off on his coaches and a ref and had to be calmed down by both parties. The Tigers are leading at the half 28-10 after that particular drive ended in a field goal for the Cardinals.
[h/t Bro Bible]