Markes was expected to face Thiago Silva at WSOF 19 on March 28, 2015. However Silva was pulled from the fight to face Matt Hamill at WSOF 19. Matt Hamill was later replaced by Teddy Holder. Markes was then scheduled to face David Branch at WSOF 20 on April 10, 2015 However, on the day of the weigh-in, Markes was forced out of the bout due to dehydration and was replaced by promotional newcomer Jesse McElligott. Bellator MMA Markes was expected to make his Bellator MMA promotional debut against Josh Barnett on December 20, 2019 at Bellator's Salute the Troops event in Honolulu, Hawaii. However, Barnett was deemed unable to compete due to severe illness on the night of the event and the bout was cancelled. The fight was rescheduled for Bellator 241 on March 13, 2020. However, Barnett failed his medical tests and was replaced by Matt Mitrione. However, the whole event was eventually cancelled due to the prevailing COVID-19 pandemic. Markes made his promotional debut against Linton Vassell at Bellator 254 on December 10, 2020. He lost the fight via TKO in the second round. Markes faced Said Sowma on July 16, 2021 at Bellator 262. He lost via knockout in the first round. On July 19, 2021, Bellator MMA officials revealed that Markes was released from the promotion. Post Bellator Markes faced Victor Jones on November 19, 2021 at Premier FC 32 He won by TKO 21 seconds in to the first round. Markes faced Rodrigo Duarte on December 18, 2021 at Shooto Brasil 110. He won the bout via kimura in the first round. Markes was scheduled to face Reggie Peña at Eagle FC 46 on March 11, 2022. The day of the event, the bout was delayed and will likely happen at a future event. The bout eventually took place on May 20, 2022 at Eagle FC 47. Markes won the fight via stoppage after Pena injured his knee in the second round. Markes faced Szymon Bajor on August 13, 2022 at PFL 8. Markes lost the bout via unanimous decision. Championships and accomplishments King of the Cage KOTC Super Heavyweight Championship (One time) Mixed martial arts record |- |Loss |align=center|22–10 |Szymon Bajor |Decision (unanimous) |PFL 8 | |align=center|3 |align=center|5:00 |Cardiff, Wales | |- | Win | align=center|22–9 | Reggie Peña |TKO (knee injury) | Eagle FC 47 | | align=center|2 | align=center|1:21 | Miami,