Derby’s Bradley Johnson attempted to bite Stoke City rival Joe Allen during a large-scale melee during the Championship showdown.
The pair scuffled after Peter Etebo's reckless studs-up challenge on Richard Keogh earned the Derby player a red card on a heated night at the Bet365 Stadium, with the home team coming out 2-1 winners.
In the aftermath of Etebo's foul, Bradley and Allen tangled with the former lunging at the latter with his teeth, though TV replays suggested he may have only got a mouthful of his opponent's shirt.
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He escaped with a yellow card and Derby manager Frank Lampard replaced him with Tom Huddlestone at half-time.