Brock Lesnar’s opponent at UFC 200, Mark Hunt, has filed a civil suit against the UFC, its president Dana White, and his opponent Brock Lesnar, seeking “millions” in damages, according to ESPN. The suit claims that the defendants “affirmatively circumvented and obstructed fair competition for their own benefit.”

Lesnar defeated Hunt at UFC 200 and it was later revealed that Lesnar failed two drug tests, testing positive for clomiphene, an anti-estrogen agent. Lesnar was fined $250,000 (10% of his $2.5 million purse) by the Nevada State Athletic Commission and suspended for one year. Hunt’s purse for the fight was $700,000.

According to ESPN, “under the UFC’s anti-doping program, a retired fighter must undergo four months of random drug testing prior to resuming competition. The UFC exercised its right to waive that window for Lesnar, however, citing exceptional circumstances.”

Lesnar was tested on June 28, two weeks before the July 9 fight, and again on the night of the fight.

According to PWInsider, it is alleged in the lawsuit document that “Without Mark Hunt’s knowledge or consent, the UFC conspired and caused Brock Lesnar, a doping fighter, to fight Hunt, a clean fighter, despite the fact that Lesnar used substances banned by the UFC, USADA and WADA. The substances, Clomiphene and 4-Hydroxyclomiphene, are known “Post Cycle Therapy” (“PCT”) substances believed to be used after a period of strength training with anabolic steroids or similar prohibited substances.”

It also alleges that Hunt “suffered severe physical injury, as well as economic and non-economic damages including without limit damage to his reputation, title contention, and future earning capacity.”