Roy Nelson was not happy with referee John McCarthy following his knockout win over Antonio Silva.
Nelson thought that McCarthy should have stopped the contest sooner and gave him a kick in the butt out of frustration.
Check it out:
https://twitter.com/TalkMMA/status/779892104810102791
ICYMI: here is the moment Roy Nelson "touched" John McCarthy after the fight (via @UFCONFOX) https://t.co/hFX4f683Ai
— Mike Allardyce (@mikedyce) September 25, 2016
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