Heavyweight (Up to 265 pounds)

Jon Jones
• Won title: March 4, 2023
• Outcome: Sub1 over Ciryl Gane (UFC 285)
• Defenses: 0
• Interim champion: Tom Aspinall (UFC 295)

Light heavyweight (205)

Alex Pereira
• Won title: Nov. 11, 2023
• Outcome: TKO2 over Jirí Procházka (UFC 295)
• Defenses: 2

Middleweight (185)

Dricus Du Plessis
• Won title: Jan. 20, 2024
• Outcome: SD over Sean Strickland (UFC 297)
• Defenses: 0

Welterweight (170)

Belal Muhammad
• Won title: July 27, 2024
• Outcome: UD over Leon Edwards (UFC 304)
• Defenses: 0

Lightweight (155)

Islam Makhachev
• Won title: Oct. 22, 2022
• Outcome: Sub2 over Charles Oliveira (UFC 280)
• Defenses: 3

Men’s featherweight (145)

Ilia Topuria
• Won title: Feb. 17, 2024
• Outcome: KO2 over Alexander Volkanovski (UFC 298)
• Defenses: 0

Men’s bantamweight (135)

Sean O’Malley
• Won title: Aug. 19, 2023
• Outcome: TKO2 over Aljamain Sterling (UFC 292)
• Defenses: 1

Men’s flyweight (125)

• Won title: July 8, 2023
• Outcome: SD over Brandon Moreno (UFC 290)
• Defenses: 2