As a dark cloud of suspiscion moves over the UFC and its fighters, Conor McGregor and Holly Holm hold the claim to being the most drug-tested athletes in the competition.

McGregor proudly touts that he has been test 14 times since the testing program began in 2015. That number ties him with former women's bantamweight champion Holly Holm as the most tested athletes on the UFC roster.

McGregor posted a video on his 'The Mac Life' website showing the latest visit from USADA as they tested him ahead of UFC 202 and his rematch with Nate Diaz.

According to McGregor's team, the Nevada State Athletic Commission also paid a separate visit to their Las Vegas compound a day earlier to test the reigning featherweight champion.

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In the wake of Brock Lesnar testing positive for performance-enhancing drugs McGregor has lauded USADA for their efforts to clean up the sport.

McGregor still has about three weeks to go until he faces Diaz in Las Vegas so he might have another couple of visits from USADA before he steps back into the Octagon again.