This clip comes from the UFC's Ultimate Fighter reality show where fighters compete for a UFC contract.
Uriah Hall lands a vicious roundhouse kick to the side of Adam Cella's head and knocks him out stone cold.
Luckily, Cella was OK and was able to stand up and walk out of the ring.
LADBROKES TOP PRICE ON ALL 6 NATIONS FIRST TRYSCORERS THROUGHOUT THE TOURNAMENT
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