Kelvin Gastelum quickly became one of the most promising UFC fighters after winning The Ultimate Fighter 17. However, his ...

Throughout my 20 years of being subjected to drug tests, I have never encountered ... martial arts fighter to ever grace a UFC octagon, he has had many issues outside his sport.

Jon Jones' GOAT status questioned after drug abuse and failed PED tests resurface on a Twitter post on the Mt. Rushmore of ...

Jones was forced to withdraw just days before his UFC 200 rematch with Daniel Cormier because of a failed drug test. Getty Images Jones has had a slew of issues pertaining to drug tests in the past.

Most UFC fighters would care deeply about an opponent's failed drug test for obvious reasons ... despite Kuniev's rookie status and past issues. This matchup highlights Blaydes' readiness ...

Because it was an out-of-competition drug test and the primary metabolite ... in Major League Baseball and the UFC, for example – experiencing similar issues with delayed positive tests.

The reason why the UFC pulled Douglas Silva de Andrade minutes after he hit the scale Feb. 28 in Las Vegas has now been ...

The Jon Jones championship saga continues. On Wednesday, the UFC heavyweight champion responded to a fan on X with a cryptic ...

“Bones” has dealt with a number of highly-publicized legal issues throughout his storied fighting career, the latest of which occurred on March 30 when UFC drug testing agents from Drug Free ...

A testing agent for the UFC's anti-doping program has filed a police ... life during a sample collection on March 30. The agent for Drug Free Sport International, Crystal Martinez, filed the ...