Note that fighters who are serving drug related suspensions, been inactive for twelve months or retired are ineligible:

Top 10 MMA P4P Fighters (1/31/18)

1) Demetrious Johnson (1)
2) Stipe Miocic (2)
3) Daniel Cormier (3)
4) Max Holloway (4)
5) Georges St-Pierre (5)
6) Tyron Woodley (6)
7) Amanda Nunes (7)
8) Cristiane Justino (8)
9) TJ Dillashaw (9)
10) Rose Namajunas (10)

Top 10 MMA Flyweights (1/31/18)

1) Demetrious Johnson (1)
2) Henry Cejudo (3)
3) Kyoji Horiguchi (4) 
4) Ray Borg (5)
5) Jussier da Silva (6)
6) Wilson Reis (7)
7) Sergio Pettis (8)
8) Brandon Moreno (9)
9) Dustin Ortiz (N/A)
10) Matheus Nicolau (10)

Top 10 MMA Bantamweights (1/31/18)

1) TJ Dillashaw (1) – Might be facing Demetrious Johnson for the flyweight title at possibly UFC 226 in July.
2) Cody Garbrandt (2)
3) Raphael Assuncao (6)
4) Marlon Moraes (7)
5) Aljamain Sterling (4)
6) Bibiano Fernandez (5)
7) John Lineker (8)
8) Marlon Vera (N/A)
9) Darrion Caldwell (9)
10) Eduardo Dantas (10)

Top 10 MMA Featherweights (1/31/18)

1) Max Holloway (1) – Unfortunately Holloway has again been injured and will continue sitting out for a little bit.
2) Jose Aldo (2)
3) Frankie Edgar (3)
4) Myles Jury (4)
5) Jeremy Stephens (N/A)
6) Josh Emmett (5)
7) Yair Rodriguez (6)
8) Ricardo Lamas (7)
9) Brian Ortega (8) 
10) Cub Swanson (9)

Top 10 MMA Lightweights (1/31/18)

1) Conor McGregor (1)
2) Tony Ferguson (2)
3) Khabib Nurmagomedov (3)
4) Eddie Alvarez (4)
5) Kevin Lee (5)
6) Dustin Poirier (6)
7) Anthony Pettis (7)
8) Edson Barboza (8)
9) Justin Gaethje (9)
10) Brent Primus (10)

*Note that due to Conor McGregor‘s status as UFC Champion he is granted an exception to the 12 month rule.

Top 10 MMA Welterweights (1/31/18)

1) Tyron Woodley (1)
2) Stephen Thompson (2)
3) Rafael dos Anjos (3)
4) Robbie Lawler (4)
5) Rory MacDonald (5)
6) Jorge Masvidal (6)
7) Jon Fitch (7)
8) Douglas Lima (8)
9) Darren Till (9)
10) Demian Maia (10)

Top 10 MMA Middleweights (1/31/18)

1) Georges St-Pierre (1)
2) Robert Whittacker (2)
3) Yoel Romero (3)
4) Luke Rockhold (4)
5) Chris Weidman (5)
6) Kelvin Gastlum (6)
7) Michael Bisping (7)
8) Ronaldo Souza (8)
9) Gegard Mousasi (9)
10) Vitor Belfort (10)

*Anderson Silva is ineligible for rankings due to his second positive drug test.

Top 10 MMA Light Heavyweights (1/31/18)

1) Daniel Cormier (1)
2) Alexander Gustafsson (2)
3) Glover Teixeira (3)
4) Volkan Oezdemir (4)
5) Ovince Saint Preux (5)
6) Ryan Bader (6)
7) Phil Davis (7)
8) Muhammed “King Mo” Lawal (8)
9) Mauricio “Shogun” Rua (9)
10) Patrick Cummins (10)

*Jon Jones is currently ineligible after testing positive for two performance enhancing drugs and the suspension.

Top 10 MMA Heavyweights (1/31/18)

1) Stipe Miocic (1) – Will coach on the next season of The Ultimate Fighter then defend his title at UFC 226.
2) Francis Ngannou (2)
3) Alistair Overeem (3)
4) Fabricio Werdum (4)
5) Vitaly Minakov (5)
6) Mark Hunt (6)
7) Alexander Volkov (7)
8) Roy Nelson (8)
9) Stefan Struve (9)
10) Matt Mitrione (10)

*Junior dos Santos, Brock Lesnar, Josh Barnett and Ben Rothwell are all on drug relates suspensions.

Top 10 Women’s P4P Fighters (1/31/18)

1) Cristiane “Cyborg” Justino (1) – Is now defending her title against Invicta BW champion Yana Kunitskaya.
2) Amanda Nunes (2)
3) Jennifer Maia (3)
4) Germaine da Randamie (4)
5) Julia Budd (5)
6) Holly Holm (6)
7) Rose Namajunas (7)
8) Nicco Montano (8)
9) Roxanne Modafferi (9)
10) Seo Hee Ham (10)

*Ronda Rousey is currently ineligible for the rankings due to inactivity and venturing into professional wrestling.