Heavyweight (265)
#1 Daniel Cormier
#2 Stipe Miocic
#3 Derrick Lewis
#4 Francis Ngannou
#6 Alistair Overeem
#9 Junior Dos Santos
#10 Tai Tuivasa
#11 Shamil Abdurakhimov
#12 Walt Harris
#13 Andrei Arlovski
#14 Alexey Oleinik
The following fighters were removed from this division's rankings due to inactivity:
Vitaly Minakov on 12/16/2018
Cain Velasquez on 7/09/2017
Anthony Johnson on 3/23/2014
Ben Rothwell on 4/10/2017
Josh Barnett on 9/03/2017
Stephen Puetz on 5/02/2016
Light Heavyweight (205)
#1 Jon Jones
#2 Jiri Prochazka
#3 Karl Albrektsson
#4 Vadim Nemkov
#5 Phil Davis
#6 Alexander Gustafsson
#7 Linton Vassell
#8 Liam McGeary
#9 Anthony Smith
#11 Jan Blachowicz
#13 Jimi Manuwa
#14 Corey Anderson
#15 Glover Teixeira
The following fighters were removed from this division's ranking due to inactivity:
Vitor Belfort on 11/09/2014
Daniel Cormier on 1/20/2019
Anthony Johnson on 4/08/2018
Ryan Bader on 11/03/2018
Abdul Kerim Edilov on 9/02/2018
Lyoto Machida on 8/03/2014
Kelly Anundson on 9/12/2015
Middleweight (185)
#1 Kelvin Gastelum
#3 Robert Whittaker
#5 Ronaldo Souza
#6 Gegard Mousasi
#7 Chris Weidman
#8 Israel Adesanya
#9 Derek Brunson
#10 Lyoto Machida
#11 Paulo Costa
#12 Uriah Hall
#13 Vitor Belfort
#14 Antonio Carlos Junior
#15 Jack Hermansson
(Romero missed weight therefore still ranked below Rockhold)
The following fighters were removed from this division's rankings due to inactivity:
Georges St. Pierre on 11/04/2018
Michael Bisping on 11/25/2018
Tim Kennedy on 12/10/2017
Anderson Silva on 2/11/2018
Chael Sonnen on 7/07/2013
Cung Le on 8/23/2015
Rich Franklin 12/11/2013
Roan Carneiro 2/21/2017
Mark Munoz 5/16/2016
Welterweight (170)
#1 Tyron Woodley
#2 Stephen Thompson
#3 Colby Covington
#4 Kamaru Usman
#6 Douglas Lima
#7 Demian Maia
#9 Paul Daley
#10 Lorenz Larkin
#11 Andre Koreshkov
#12 Darren Till
#13 Claudio Silva
#14 Leon Edwards
#15 Donald Cerrone
The following fighters were removed from this division's rankings due to inactivity:
Georges St Pierre on 11/16/2014
Robbie Lawler on 12/16/2018
Rory MacDonald on 1/20/2019
Ben Askren on 11/27/2018
Kazuo Misaki on 3/03/2013
Ben Henderson on 4/22/2017
Jorge Masvidal on 11/04/2018
Lightweight (155)
#1 Khabib Nurmagomedov
#2 Conor McGregor
#3 Dustin Poirier
#5 Tony Ferguson
#6 Edson Barboza
#7 Anthony Pettis
#8 Donald Cerrone
#9 Charles Oliveira
#10 David Teymur
#11 Nik Lentz
#12 Will Brooks
#13 Nathan Schulte
#14 Rashid Magomedov
#15 Michael Chandler
(Alex Oliveira beat Brooks at welterweight therefore not ranked)
The following fighters were removed from this division's rankings due to inactivity:
Rafael Dos Anjos on 11/04/2017
Paul Felder on 12/02/2018
Featherweight (145)
#1 Max Holloway
#2 Jose Aldo
#3 Brian Ortega
#4 Frankie Edgar
#5 Alex Volkanovski
#7 Mirsad Bektic
#8 Ricardo Lamas
#9 Renato Carneiro
#11 Jeremy Stephens
#12 Yair Rodriguez
#13 Calvin Kattar
#14 Michael Johnson
#15 Andre Fili
(Emmett missed therefore not ranked)
The following fighters were removed from this division's rankings due to inactivity:
Conor McGregor on 12/12/2016
Chad Mendes on 12/11/2016
Anthony Pettis 8/27/2017
Charles Oliveira on 8/27/2017
Nik Lentz on 5/30/2016
Bantamweight (135)
#1 TJ Dillashaw
#2 Cody Garbrandt
#3 Raphael Assuncao
#4 John Lineker
#5 Ricky Simon
#6 Montel Jackson
#7 Brian Kelleher
#8 Patrick Mix
#9 Marlon Moraes
#10 Aljamain Sterling
#11 Cody Stamann
#12 Rustam Kerimov
#13 Tom Duquesnoy
#14 Petr Yan
#15 Magomed Magomedov
(Sterling beat Barao at featherweight therefore no movement occured)
The following fighters were removed from this division's rankings due to inactivity:
Dominick Cruz on 12/30/2017 Timur Valiev on 11/02/2018 Decky Dalton on 02/27/2017Mike Cutting on 02/27/2017 Shay Walsh on 07/07/2018
#1 TJ Dillashaw
#2 Cody Garbrandt
#3 Raphael Assuncao
#4 John Lineker
#5 Ricky Simon
#6 Montel Jackson
#7 Brian Kelleher
#8 Patrick Mix
#9 Marlon Moraes
#10 Aljamain Sterling
#11 Cody Stamann
#12 Rustam Kerimov
#13 Tom Duquesnoy
#14 Petr Yan
#15 Magomed Magomedov
(Sterling beat Barao at featherweight therefore no movement occured)
The following fighters were removed from this division's rankings due to inactivity:
Dominick Cruz on 12/30/2017
Timur Valiev on 11/02/2018
Decky Dalton on 02/27/2017
Mike Cutting on 02/27/2017
Shay Walsh on 07/07/2018