PSA: Head-butting your teammate who’s not wearing a helmet may be dangerous.
After an early fumble recovery against Michigan St., Bowling Green’s Brandon Harris head-butted his teammate after heading back to the sideline and may have knocked him out.
Almost KOed his own teammate celebrating lol pic.twitter.com/m8LmLb8nbf
— gifdsports (@gifdsports) September 2, 2017
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