Heavyweight (265)
#1 Fabricio Werdum +1
#2 Cain Velasquez +11
#3 Junior Dos Santos -2
#4 Andrei Arlovski -1
#5 Travis Browne -1
#6 Frank Mir -1
#7 Stipe Miocic -1
#8 Mark Hunt -1
#10 Ben Rothwell -1
#11 Alistair Overeem -1
#12 Roy Nelson -1
The following fighters were removed from this division's rankings due to inactivity:
Daniel Cormier on 10/19/2014
Anthony Johnson on 3/23/2014
Josh Barnett on 12/28/2014
Dan Henderson on 7/30/2012
Fedor Emelianenko on 6/21/2013
Brock Lesnar on 12/30/2012
Shane Carwin on 6/11/2012
Antonio Rodrigo Nogueira 4/11/2015
Randy Couture on 8/28/2011
Light Heavyweight (205)
#1 Jon Jones
#2 Daniel Cormier
#3 Anthony Johnson
#4 Ryan Bader
#5 Phil Davis
#6 Alexander Gustafsson
#7 Glover Teixeira
#8 Ovince St Preux
#9 Mauricio Rua
#10 Antonio Rogerio Nogueira
The following fighters were removed from this division's ranking due to inactivity:
Vitor Belfort on 11/09/2014
Lyoto Machida on 8/03/2014
Rashad Evans on 11/16/2014
Dan Henderson on 5/24/2015
Chael Sonnen on 11/16/2014
Quinton Jackson on 5/17/2015
Anderson Silva on 10/13/2013
Forrest Griffin on 7/07/2013
Middleweight (185)
#1 Chris Weidman
#2 Anderson Silva
#3 Vitor Belfort
#4 Luke Rockhold
#5 Lyoto Machida
#6 Ronaldo Souza
#7 Gegard Mousasi
#8 Yoel Romero
#9 Tim Kennedy
#10 Michael Bisping
#11 Cung Le
#12 Roan Carneiro
#13 Mark Munoz
#14 CB Dollaway
The following fighters were removed from this division's rankings due to inactivity:
Chael Sonnen on 7/07/2013
Rich Franklin on 11/10/2013
Welterweight (170)
#1 Robbie Lawler
#3 Rory MacDonald
#4 Tyron Woodley
#5 Carlos Condit
#6 Kelvin Gastelum
#7 Jake Ellenberger
#8 Hector Lombard
#9 Jake Shields
#10 Demian Maia
#11 Dong Hyun Kim
#12 Matt Brown
#13 Ben Askren
#14 Rousimar Palhares
#15 Josh Burkman
The following fighters were removed from this division's rankings due to inactivity:
Georges St. Pierre on 11/16/2014
Martin Kampmann on 8/28/2014
Nick Diaz on 3/16/2014
Douglas Lima 4/18/2015
Steve Carl on 3/29/2015
Lightweight (155)
#1 Rafael Dos Anjos
#2 Anthony Pettis
#3 Donald Cerrone
#5 Eddie Alvarez +1
#6 Gilbert Melendez -1
#7 Shinya Aoki
#8 Myles Jury
#10 Edson Barboza
#11 Bobby Green
#12 Josh Thomson
#13 Nate Diaz
#14 Al Iaquinta
#15 Ross Pearson
The following fighters were removed from this division's rankings due to inactivity:#14 Al Iaquinta
Khabib Nurmagomedov on 4/19/2015
Frankie Edgar on 8/11/2013
TJ Grant on 5/25/2014
Tatsuya Kawajiri on 7/26/2012
BJ Penn on 8/28/2011
Diego Sanchez on 6/07/2015
Featherweight (145)
#1 Jose Aldo
#2 Chad Mendes
#3 Ricardo Lamas
#4 Frankie Edgar
#5 Conor McGregor
#6 Max Holloway
#8 Charles Oliveira
#9 Jeremy Stephens
#10 Nik Lentz
#11 Hacran Dias
#12 Darren Elkins
#13 Dennis Siver
#14 Patricio Freire
The following fighters were removed from this division's rankings due to inactivity:
Yuri Alcantara on 6/23/2013
Kenny Florian on 10/08/2012
Bantamweight (135)
#1 Dominick Cruz
#2 Raphael Assuncao
#3 TJ Dillashaw
#4 Renan Barao
#5 Urijah Faber
#6 Aljamain Sterling
#8 Francisco Rivera
#9 Rob Font
#10 George Roop
#11 Marlon Moraes
#12 Thomas Almeida
#13 Yves Jabouin
#14 Hugo Viana +1
The following fighters were removed from this division's rankings due to inactivity:
Joseph Benavidez on 8/14/2012
Johnny Eduardo on 5/10/2015
Eddie Wineland on 5/10/2015
Michael McDonald on 12/13/2014
Chris Cariaso on 2/25/2013
Brian Bowles on 5/25/2014
Demetrious Johnson on 10/01/2012
Miguel Torres on 11/03/2013
Will Ribeiro on 12/03/2009
Brad Pickett on 8/17/2014
Mike Easton on 6/14/2015
John Dodson 12/03/2012
Reuben Duran 6/05/2015
Flyweight (125)
#1 Demetrious Johnson
#2 Joseph Benavidez
#3 Ian McCall
#4 John Dodson +1
#5 Zach Makovsky +1
#6 Tim Elliott +1
#7 Kyoji Horiguchi +1
#8 Louis Gaudinot +1
#9 John Lineker +1
#10 Adriano Moraes +1
#11 Jussier Da Silva +1
#12 John Moraga +1
#13 Dustin Ortiz +1
#14 Justin Scoggins +1
#15 Ray Borg +1
Ali Bagautinov on 6/14/2015
Yasuhiro Urushitani on 3/14/2015
Will Campuzano on 3/15/2015
