| Champion | Interim Champion | #2 | #3 | #4 | #5 | #6 | #7 |
 |  |  |  |  |  |  |  |
| Robert Whittaker | Israel Adesanya | Yoel Romero | Kelvin Gastelum | Jack Hermansson | Ronaldo Souza | Chris Weidman | Paulo Costa |
| #8 | #9 | #10 | #11 | #12 | #13 | #14 | #15 |
 |  |  |  |  |  |  |  |
| Derek Brunson | Jared Cannonier | Ian Heinisch | Brad Tavares | Uriah Hall | Antonio Carlos Jr | David Branch | Anderson Silva |
| Champion | Interim Champion | #2 | #3 | #4 | #5 | #6 | #7 |
 |  |  |  |  |  |  |  |
| Khabib Nurmagomedov | Dustin Poirier | Tony Ferguson | Conor McGregor | Donald Cerrone | Justin Gaethje | Al Iaquinta | Edson Barboza |
| #8 | #9 | #10 | #11 | #12 | #13 | #14 | #15 |
 |  |  |  |  |  |  |  |
| Kevin Lee | Anthony Pettis | Paul Felder | Charles Oliveira | Gregor Gillespie | Alexander Hernandez | Islam Makhachev | James Vick |
| Champion | #1 | #2 | #3 | #4 | #5 | #6 | #7 |
 |  |  |  |  |  |  |  |
| Henry Cejudo | Joseph Benavidez | Jussier Formiga | Alexandre Pantoja | Deiveson Figueiredo | Tim Elliott | Rogerio Bontorin | Ryan Benoit |
| #8 | #9 | #10 | #11 | #12 | #13 | #14 | #15 |
 |  |  |  |  | |||
| Jordan Espinosa | Kai Kara-France | Alex Perez | Raulian Paiva | Matt Schnell |
