Early career Greene started his professional MMA career since 2012 and amassed a record of 5–2 prior participated in
The Ultimate Fighter 28 UFC TV mma competition series which he was subsequently signed by UFC after the show.
The Ultimate Fighter In August 2017, it was announced that Greene was one of the fighters featured on
The Ultimate Fighter 28 UFC TV series. Greene was the third pick of the heavyweight fighters by coach
Kelvin Gastelum. In the quarter-finals, he faced Przemyslaw Mysiala and won the fight via knockout in the first round. In the semi-finals, Greene faced
Juan Espino. and he lost the fight via a submission in round one.
Ultimate Fighting Championship Greene made his UFC debut on November 20, 2018, against
Michel Batista at
The Ultimate Fighter 28 Finale. He won the fight via a submission in the first round. His next fight came on March 9, 2019, replacing injured
Daniel Spitz, a rematch against
Jeff Hughes at
UFC Fight Night: Lewis vs. dos Santos. He won the fight via a split decision. Greene faced
Júnior Albini on June 29, 2019, at
UFC on ESPN: Ngannou vs. dos Santos. He won the fight via first-round technical knockout. Greene faced
Sergei Pavlovich on October 26, 2019, at
UFC on ESPN+ 20. He lost the fight via technical knockout in the first round. Greene faced
Aleksei Oleinik on January 18, 2020, at
UFC 246. He lost the fight via a submission in the second round. Greene faced
Gian Villante on June 27, 2020, at
UFC on ESPN: Poirier vs. Hooker. He won the fight via an arm-triangle choke submission from the bottom in the third round. Greene faced
Greg Hardy on October 31, 2020, at
UFC Fight Night 181. He lost the fight via technical knockout in round two. Greene faced
Marcos Rogério de Lima on May 8, 2021, at
UFC on ESPN 24. He lost the fight via unanimous decision. On May 11, Greene announced that he was released from the UFC.
Post-UFC; Professional Fighters League Greene made his first appearance since leaving the UFC against Danyelle Williams at CES 68 on May 6, 2022. He won the bout via arm-triangle choke in the first round. Greene faced
Denis Goltsov on June 24, 2022, at
PFL 5. He lost the bout via unanimous decision, getting out-wrestled throughout the bout.
2023 Season Greene started off the 2023 season against Marcelo Nunes on April 7, 2023, at
PFL 2. He won the fight via TKO in the second round. Greene faced
Ante Delija on June 16, 2023, at
PFL 5. He lost the bout via unanimous decision. In the semi-finals, Greene replaced Marcelo Nunes, faced
Renan Ferreira on August 18, 2023, at
PFL 8. He lost the fight via knockout in the first round.
Gamebred Bareknuckle MMA Greene was scheduled to face
Guto Inocente at Gamebred Bareknuckle MMA 7 on March 2, 2024. However, the bout was cancelled for unknown reasons. Greene faced
Chase Sherman at Gamebred Bareknukcle MMA 8 on November 15, 2024, and won by a standing guillotine-choke submission. == Personal life ==