Francis Ngannou returned to MMA in violent fashion at PFL: Battle of the Giants on Saturday – and social media had plenty to say about it. At Kingdom Arena in Riyadh, Saudi Arabia, Ngannou took size out of the equation. He took down Renan Ferreira and blasted him with ground-and-pound punches for the first-round stoppage.

Stars such as Cristiano Ronaldo and Ray Lewis were cageside at the Mayadeen facility, with the soccer star arriving to take in some of the undercard early. The event also featured two more title fights as PFL and Bellator pulled out all the stops for their big Super Fights pay-per-view.

In the case of the PFL: Battle of the Giants main event Saturday, Francis Ngannou took height out of the occasion. At Kingdom Arena in Riyadh, Saudi Arabia, Ngannou (18-3) pounded Renan Ferreira (13-4) into unconsciousness with ground-and-pound punches from back mount for a knockout stoppage at 3:32 of Round 1.

Francis Ngannou's fight doesn't even make it out of the first round as he defeats Renan Ferreira with ground-and-pound in Saudi Arabia.

The next chapter of Francis Ngannou's MMA career got off to a strong start as The Predator earned the PFL's Heavyweight Superfight Championship with

For the first time in more than 1,000 days, Francis Ngannou will be in a mixed martial arts fight. Ngannou faces Renan Ferreira on Saturday at PFL Battle of the Giants. Ngannou an

Check out these photos Francis Ngannou's superfight title victory over Renan Ferreira at PFL: Battle of the Giants , which took place at Kingdom Arena in Riyadh, Saudi Arabia. (Photos courtesy of PFL