This appears to be the launch roster. New fighters will be bolded. Fighters will be listed under the weight class they most recently competed or are expected to compete in next.
Heavyweight (26)
Andrei Arlovski
Curtis Blaydes
Mark Coleman
Daniel Cormier
Junior Dos Santos
Todd Duffee
Tyson Fury
Walt Harris
Anthony Johnson (LHW)
Anthony Joshua
Ilir Latifi (LHW)
Derrick Lewis
Stipe Miocic
Francis Ngannou
Antonio Rodrigo Nogueira
Aleksei Oleinik
Alistair Overeem
Ben Rothwell
Jairzinho Rozenstruik
Dan Severn
Kimbo Slice
Stefan Struve
Tai Tuivasa
Cain Velasquez
Alexander Volkov
Fabrício Werdum
Light Heavyweight (24)
Sam Alvey (MW)
Corey Anderson
Jan Blachowicz
Misha Cirkunov
Forrest Griffin
Alexander Gustafsson
Quinton Jackson
Jon Jones
Nikita Krylov
Chuck Liddell
Jimi Manuwa
Antonio Rogério Nogueira
Tito Ortiz
Dominick Reyes
Mauricio Rua
Gokhan Saki
Thiago Santos (MW)
Wanderlei Silva (MW)
Anthony Smith (MW)
Ovince St. Preux
Glover Teixeira
Gian Villante
Johnny Walker
Dana White (HW, MW)
Middleweight (26)
Israel Adesanya
Omari Ahkmedov
Vitor Belfort (LHW)
Michael Bisping
Tom Breese (WW)
Derek Brunson
Bruce Buffer
Jared Cannonier (LHW)
Paulo Costa
Rashad Evans (LHW)
Kelvin Gastelum (WW)
Uriah Hall
Dan Henderson (LHW)
Jack Hermansson
Krzysztof Jotko
Lyoto Machida (LHW)
Luke Rockhold (LHW)
Yoel Romero
Edmen Shahbazyan
Anderson Silva (LHW)
Chael Sonnen
Ronaldo Souza (LHW)
Brad Tavares
Darren Till (WW)
Chris Weidman (LHW)
Robert Whittaker
Welterweight (35)
Ben Askren
Matt Brown
Gilbert Burns (LW)
Donald Cerrone (LW)
Michael Chiesa (LW)
Carlos Condit
Colby Covington
Nate Diaz (LW)
Nick Diaz (MW)
Rafael Dos Anjos (LW)
Leon Edwards
Mickey Gall
Royce Gracie (MW)
Matt Hughes
Johny Hendricks
Alan Jouban
Robbie Lawler (MW)
Neil Magny
Demian Maia (MW)
Jorge Masvidal (LW)
Jake Matthews (LW)
Conor McGregor (LW, FW)
Tim Means
Gunnar Nelson
Alex Oliveira (LW)
Mike Perry
Anthony Pettis (LW, FW)
Santiago Ponzinibbio
CM Punk
Erick Silva
Georges St-Pierre (MW)
Kamaru Usman
Stephen Thompson
James Vick (LW)
Tyron Woodley
Lightweight (28)
Eddie Alvarez
Beneil Dariush
Marc Diakiese
Joe Duffy
Evan Dunham
Paul Felder (WW)
Tony Ferguson (WW)
Justin Gaethje
Bobby Green
Clay Guida (FW)
Alexander Hernandez
Dan Hooker (FW)
Al Iaquinta
Bruce Lee (WW, FW, BW)
Kevin Lee (WW)
Michael Johnson (FW)
Rustam Khabilov
Joe Lauzon
Nik Lentz
Yancy Medeiros (WW)
Jim Miller
Renato Moicano
Khabib Nurmagomedov
Charles Oliveira (FW)
BJ Penn (FW, WW)
Dustin Poirier (FW)
Anthony Pettis (FW, WW)
Leonardo Santos
Featherweight (17)
Arnold Allen
Makwan Amirkhani
Edson Barboza (LW)
Mirsad Bektic
Alex Caceres
Doo Ho Choi
Darren Elkins
Josh Emmett (LW)
Max Holloway (LW)
Chan Sung Jung
Ricardo Lamas
Zabit Magomedsharipov
Brian Ortega
Charles Rosa
Jeremy Stephens (LW)
Cub Swanson
Alexander Volkanovski (LW)
Bantamweight (24)
Iuri Alcantara
Jose Aldo (FW)
Thomas Almeida
Raphael Assuncao (FW)
Renan Barao
Ray Borg (FLW)
Henry Cejudo (FLW)
Dominick Cruz
TJ Dillashaw (FLW)
John Dodson (FLW)
Frankie Edgar (LW)
Johnny Eduardo
Cody Garbrandt
John Lineker
Marlon Moraes
Sean O’Malley
Jimmie Rivera
Frankie Saenz
Cory Sandhagen
Louis Smolka (FLW)
Aljamain Sterling
Eddie Wineland
Song Yadong
Petr Yan
Flyweight (7)
Joseph Benavidez
Timothy Elliott (BW)
Deiveson Figueiredo
Jussier Formiga
Demetrious Johnson
Brandon Moreno
Alexandre Pantoja
Women’s Bantamweight (13)
Bethe Correira
Cris Cyborg
Holly Holm
Aspen Ladd
Sara McMann
Amanda Nunes
Germaine de Randamie
Julianna Pena
Raquel Pennington
Marion Reneau
Ronda Rousey
Miesha Tate
Ketlen Viera
Women’s Flyweight (10)
Joanne Calderwood (WSW)
Cynthia Calvillo (WSW)
Katlyn Chookagian
Alexis Davis (WBW)
Ashlee Evans-Smith (WBW)
Jessica Eye (WBW)
Maryna Moroz (WSW)
Lauren Murphy (WBW)
Valentina Shevchenko (WBW)
Paige VanZant (WSW)
Women’s Strawweight (14)
Jessica Andrade
Mackenzie Dern
Carla Esparza
Alexa Grasso (WFLW)
Felice Herrig
Angela Hill
Joanna Jedrzejczyk (WFLW)
Karolina Kowalkiewicz
Randa Markos
Rose Namajunas
Jessica Penne
Tatiana Suarez
Tecia Torres
Weili Zhang
Total Confirmed: 224
Total New: 21
Heavyweight (26)
Andrei Arlovski
Curtis Blaydes
Mark Coleman
Daniel Cormier
Junior Dos Santos
Todd Duffee
Tyson Fury
Walt Harris
Anthony Johnson (LHW)
Anthony Joshua
Ilir Latifi (LHW)
Derrick Lewis
Stipe Miocic
Francis Ngannou
Antonio Rodrigo Nogueira
Aleksei Oleinik
Alistair Overeem
Ben Rothwell
Jairzinho Rozenstruik
Dan Severn
Kimbo Slice
Stefan Struve
Tai Tuivasa
Cain Velasquez
Alexander Volkov
Fabrício Werdum
Light Heavyweight (24)
Sam Alvey (MW)
Corey Anderson
Jan Blachowicz
Misha Cirkunov
Forrest Griffin
Alexander Gustafsson
Quinton Jackson
Jon Jones
Nikita Krylov
Chuck Liddell
Jimi Manuwa
Antonio Rogério Nogueira
Tito Ortiz
Dominick Reyes
Mauricio Rua
Gokhan Saki
Thiago Santos (MW)
Wanderlei Silva (MW)
Anthony Smith (MW)
Ovince St. Preux
Glover Teixeira
Gian Villante
Johnny Walker
Dana White (HW, MW)
Middleweight (26)
Israel Adesanya
Omari Ahkmedov
Vitor Belfort (LHW)
Michael Bisping
Tom Breese (WW)
Derek Brunson
Bruce Buffer
Jared Cannonier (LHW)
Paulo Costa
Rashad Evans (LHW)
Kelvin Gastelum (WW)
Uriah Hall
Dan Henderson (LHW)
Jack Hermansson
Krzysztof Jotko
Lyoto Machida (LHW)
Luke Rockhold (LHW)
Yoel Romero
Edmen Shahbazyan
Anderson Silva (LHW)
Chael Sonnen
Ronaldo Souza (LHW)
Brad Tavares
Darren Till (WW)
Chris Weidman (LHW)
Robert Whittaker
Welterweight (35)
Ben Askren
Matt Brown
Gilbert Burns (LW)
Donald Cerrone (LW)
Michael Chiesa (LW)
Carlos Condit
Colby Covington
Nate Diaz (LW)
Nick Diaz (MW)
Rafael Dos Anjos (LW)
Leon Edwards
Mickey Gall
Royce Gracie (MW)
Matt Hughes
Johny Hendricks
Alan Jouban
Robbie Lawler (MW)
Neil Magny
Demian Maia (MW)
Jorge Masvidal (LW)
Jake Matthews (LW)
Conor McGregor (LW, FW)
Tim Means
Gunnar Nelson
Alex Oliveira (LW)
Mike Perry
Anthony Pettis (LW, FW)
Santiago Ponzinibbio
CM Punk
Erick Silva
Georges St-Pierre (MW)
Kamaru Usman
Stephen Thompson
James Vick (LW)
Tyron Woodley
Lightweight (28)
Eddie Alvarez
Beneil Dariush
Marc Diakiese
Joe Duffy
Evan Dunham
Paul Felder (WW)
Tony Ferguson (WW)
Justin Gaethje
Bobby Green
Clay Guida (FW)
Alexander Hernandez
Dan Hooker (FW)
Al Iaquinta
Bruce Lee (WW, FW, BW)
Kevin Lee (WW)
Michael Johnson (FW)
Rustam Khabilov
Joe Lauzon
Nik Lentz
Yancy Medeiros (WW)
Jim Miller
Renato Moicano
Khabib Nurmagomedov
Charles Oliveira (FW)
BJ Penn (FW, WW)
Dustin Poirier (FW)
Anthony Pettis (FW, WW)
Leonardo Santos
Featherweight (17)
Arnold Allen
Makwan Amirkhani
Edson Barboza (LW)
Mirsad Bektic
Alex Caceres
Doo Ho Choi
Darren Elkins
Josh Emmett (LW)
Max Holloway (LW)
Chan Sung Jung
Ricardo Lamas
Zabit Magomedsharipov
Brian Ortega
Charles Rosa
Jeremy Stephens (LW)
Cub Swanson
Alexander Volkanovski (LW)
Bantamweight (24)
Iuri Alcantara
Jose Aldo (FW)
Thomas Almeida
Raphael Assuncao (FW)
Renan Barao
Ray Borg (FLW)
Henry Cejudo (FLW)
Dominick Cruz
TJ Dillashaw (FLW)
John Dodson (FLW)
Frankie Edgar (LW)
Johnny Eduardo
Cody Garbrandt
John Lineker
Marlon Moraes
Sean O’Malley
Jimmie Rivera
Frankie Saenz
Cory Sandhagen
Louis Smolka (FLW)
Aljamain Sterling
Eddie Wineland
Song Yadong
Petr Yan
Flyweight (7)
Joseph Benavidez
Timothy Elliott (BW)
Deiveson Figueiredo
Jussier Formiga
Demetrious Johnson
Brandon Moreno
Alexandre Pantoja
Women’s Bantamweight (13)
Bethe Correira
Cris Cyborg
Holly Holm
Aspen Ladd
Sara McMann
Amanda Nunes
Germaine de Randamie
Julianna Pena
Raquel Pennington
Marion Reneau
Ronda Rousey
Miesha Tate
Ketlen Viera
Women’s Flyweight (10)
Joanne Calderwood (WSW)
Cynthia Calvillo (WSW)
Katlyn Chookagian
Alexis Davis (WBW)
Ashlee Evans-Smith (WBW)
Jessica Eye (WBW)
Maryna Moroz (WSW)
Lauren Murphy (WBW)
Valentina Shevchenko (WBW)
Paige VanZant (WSW)
Women’s Strawweight (14)
Jessica Andrade
Mackenzie Dern
Carla Esparza
Alexa Grasso (WFLW)
Felice Herrig
Angela Hill
Joanna Jedrzejczyk (WFLW)
Karolina Kowalkiewicz
Randa Markos
Rose Namajunas
Jessica Penne
Tatiana Suarez
Tecia Torres
Weili Zhang
Total Confirmed: 224
Total New: 21
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