Watch Conor McGregor Land A Controversial Illegal Knee In Saturday’s UFC 229 Main Event

In Saturday’s UFC 229 main event, Conor McGregor did not keep things clean.

He was caught multiple times sticking digital appendages into the cage, he even hooked Khabib’s glove for an extended period to avoid a takedown.

In the video above, check out Conor McGregor’s controversial knee to a grounded opponent.