265 lbs
Heavyweight
Champion: Stipe Miocic
#1: Francis Ngannou
#2: Curtis Blaydes
#3: Jairzinho Rozenstriuk
#4: Derrick Lewis
#5: Alistair Overeem
#6: Alexander Volkov
#7: Junior Dos Santos
#8: Walt HarrisÂ
#9: Augusto Sakai
#10: Shamil Abdurakhimov
#11: Alexei Oliynyk
#12:Â Sergei Pavlovich
#13: Ciryl Gane
#14: Blagoi Ivanov
#15: Marcin Tybura
205 lbs
Light Heavyweight
Champion: Jan Blachowicz
#1: Thiago Santos
#2: Dominick Reyes
#3: Glover Teixeira
#4: Aleksandar Rakic
#5: Jiri Prochazka
#6: Anthony Smith
#7: Volkan Oezdemir
#8: Nikita Krylov
#9: Johnny Walker
#10: Misha Cirkunov
#11: Magomed Ankalaev
#12: Ryan Spann
#13: Ovince St. Preux
#14: Shogun Rua
#15:Â Paul Craig
185 lbs
Middleweight
Champion: Israel Adesanya
#1: Robert Whittaker
#2: Jared Cannonier
#3: Paulo Costa
#4: Jack Hermansson
#5: Yoel Romero
#6: Darren Till
#7: Derek Brunson
#8: Chris Weidman
#9: Kelvin Gastelum
#10: Uriah Hall
#11: Edmen Shahbazyan
#12: Brad Tavares
#13: Omari Akhmedov
#14: Marvin Vettori
#15: Ian Heinisch
170 lbs
Welterweight
Champion: Kamaru Usman
#1: Gilbert Burns
#2: Colby Covington
#3: Jorge Masvidal
#4: Leon Edwards
#5: Tyron Woodley
#6: Stephen Thompson
#7: Demian Maia
#8: Vicente Luque
#9: Michael Chiesa
#10: Rafael Dos Anjos
#11: Neil Magny
#12: Geoff Neal
#13: Nate Diaz
#14: Anthony Pettis
#15: Santiago Ponzinibbio
155 lbs
Lightweight
Champion: Vacant
#1: Dustin Poirier
#2: Justin Gaethje
#3: Tony Ferguson
#4: Dan Hooker
#5: Charles Oliveira
#6: Paul Felder
#7: Diego Ferreira
#8: Al Iaquinta
#9: Beneil Dariush
#10: Kevin Lee
#11: Islam Makhachev
#12: Gregor Gillespie
#13: Drew Dober
#14: Alexander Hernandez
#15:Â Arman Tsarukyan
145 lbs
Featherweight
Champion: Alexander Volkanovski
#1: Brian Ortega
#2: Max Holloway
#3: Zabit Magomedsharipov
#4: Yair Rodriguez
#5: Chan Sung Jung
#6: Calvin Kattar
#7: Josh Emmett
#8: Jeremy Stephens
#9: Arnold Allen
#10: Dan Ige
#11: Shane Burgos
#12: Sodiq Yusuff
#13: Ryan Hall
#14: Edson Barboza
#15: Bryce Mitchell
135 lbs
Bantamweight
Champion: Petr Yan
#1: Aljamain Sterling
#2: Cory Sandhagen
#3: Marlon Moraes
#4: Cody Garbrandt
#5: Frankie Edgar
#6: Pedro Munhoz
#7: Jose Aldo
#8: Jimmie Rivera
#9: Raphael Assuncao
#10: Dominick Cruz
#11: Rob Font
#12: Cody Stamann
#13: Merab Dvalishvili
#14: Song Yadong
#15: Marlon Vera
125 lbs
Flyweight
Champion: Deiveson Figueiredo
#1: Brandon Moreno
#2: Joseph Benavidez
#3: Askar Askarov
#4: Alex Perez
#5: Alexandre Pantoja
#6: Brandon Royval
#7: Jussier Formiga
#8: Kai Kara-France
#9: Rogerio Bontorin
#10: Matt Schnell
#11: Raulian Paiva
#12: David Dvorak
#13: Tim Elliott
#14: Jordan Espinosa
#15: Tyson Nam
145 lbs
Women's Featherweight
Champion: Amanda Nunes
#1: Felicia Spencer
#2: Megan Anderson
#3: Leah Letson
#4: Zarah Fairn
135 lbs
Women's Bantamweight
Champion: Amanda Nunes
#1: Germaine de Randamie
#2: Holly Holm
#3: Aspen Ladd
#4: Raquel Pennington
#5: Irene Aldana
#6: Julianna Pena
#7: Ketlen Vieira
#8: Yana Kunitskaya
#9: Sara McMann
#10: Marion Reneau
#11: Lina Lansberg
#12: Macy Chiasson
#13: Pannie Kianzad
#14: Sijara Eubanks
#15: Julia Avila
125 lbs
Women's Flyweight
Champion: Valentina Shevchenko
#1: Jessica Andrade
#2: Jennifer Maia
#3: Katlyn Cookagian
#4: Cynthia Calvillo
#5: Lauren Murphy
#6: Jessica Eye
#7: Joanne Calderwood
#8: Roxanne Modafferi
#9: Viviane Araujo
#10: Andrea Lee
#11: Maycee Barber
#12: Montana De La Rosa
#13: Antonina Shevchenko
#14: Alexa Grasso
#15: Alexis Davis
115 lbs
Women's Strawweight
Champion: Weili Zhang
#1: Rose Namajunas
#2: Joanna Jedrzejczyk
#3: Tatiana Suarez
#4: Carla Esparza
#5: Claudia Gadelha
#6: Nina Ansaroff
#7: Michelle Waterson
#8: Marina Rodriguez
#9: Yan Xiaonan
#10: Amanda Ribas
#11: Tecia Torres
#12: Angela Hill
#13: Mackenzie Dern
#14: Virna Jandiroba
#15: Felice Herrig