High school basketball coach Timothy Lee Forbes is apparently not accustomed to this procedure.
Instead of shaking hands with the rival team's coach, Forbes, 34, launched himself at the man and bit off part of his ear.
Forbes, from Springfield, Massachusetts, has since been arrested and charged with battery and assault and mayhem.
Students are said to be drumming up support for his release.
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"Who's my idol? You know, I'd have to say Mike Tyson."