Brock Lesnar and Daniel Cormier
Brock Lesnar and Daniel Cormier are set to clash in the near future. In this picture, Lesnar (L) confronts Cormier (R) after his heavyweight championship fight against Stipe Miocic at T-Mobile Arena in Las Vegas, Nevada, July 7, 2018. Sam Wasson/Getty Images

If there was any more indication required that he would be returning to the UFC sooner rather than later, Brock Lesnar lost his WWE Universal title at the SummerSlam pay-per-view event in Brooklyn, New York, on Sunday night.

Defending his title against Roman Reigns, who he had already defeated two times earlier in the year, Lesnar would end up losing in just over six minutes after a spear ended his 504-day run as champion.

It ideally means the focus for Lesnar now, will inevitably be on his return to mixed martial arts action.

The former heavyweight champion appeared at UFC 226 last month and famously confronted Daniel Cormier after the latter won the heavyweight title and became just the second simultaneous two-weight champion in the promotion's history.

The post-fight scenes went viral as UFC President Dana White later confirmed that fight would be next for Cormier, who will now be getting the biggest payday of his career.

A self-professed fan of professional wrestling, Cormier was notably watching Summerslam and commented on Lesnar as the latter made his entrance in the Barclays Center.

When Lesnar eventually lost his title, Cormier reacted once again, claiming it would be the same result for the Minnesota native when they meet.

Lesnar still has to serve the remaining five months left in the United States Anti-Doping Association (USADA) testing pool before he is eligible to compete under the UFC banner. According to the USADA website, he has been tested three times in 2018.

He was suspended for a year after he had failed drug tests in his now-overturned unanimous decision win against Mark Hunt in July 2016. However, his suspension was frozen in February last year after he temporarily retired from MMA action.

As per White, Lesnar cannot fight until Jan. 2019 which means a meeting with Cormier could take place at UFC 233, though there is no current information on when or where it will take place. UFC 232 is currently scheduled to take place at the T-Mobile Arena in Las Vegas on Dec. 29.

When the fight was all but officially announced, "DC" was the -260 betting favorite as per BetDSI while Lesnar was a +200 underdog.