Tarec Saffiedine returned to list rank 2. (Won Jake Ellenberger at UFC on FOX 18)
Alexander Yakovlev moved to list rank 5. from LW-list rank 6. (Won George Sullivan at UFC on FOX 18)
Heavyweight
1. Alistair Overeem Age: 35 MMA Rec: 40-14 Streak: W - 3 Country: Netherlands (UFC)
2. Andrei Arlovski Age: 36 MMA Rec: 25-11 Streak: L - 1 Country: Belarus (UFC)
3. Vitaly Minakov Age: 30 MMA Rec: 17-0 Streak: W - 17 Country: Russia (FNR)
4. Cheick Kongo Age: 40 MMA Rec: 23-10 Streak: W - 1 Country: France (Bellator)
5. Alexey Oleinik Age: 37 MMA Rec: 50-9 Streak: W - 11 Country: Russia (UFC)
6. Denis Goltsov Age: 25 MMA Rec: 16-4 Streak: W - 11 Country: Russia (T-K FC)
7. Sergei Kharitonov Age: 34 MMA Rec: 23-5 Streak: W - 5 Country: Russia (M-1)
8. Marcin Tybura Age: 29 MMA Rec: 13-1 Streak: W - 1 Country: Poland (M-1)
9. Mirko Filipovic Age: 40 MMA Rec: 31-11 Streak: W - 3 Country: Croatia (UFC)
10. Blagoi Ivanov Age: 29 MMA Rec: 13-1 Streak: W - 2 Country: Bulgaria (WSOF)
11. Ruslan Magomedov Age: 28 MMA Rec: 14-1 Streak: W - 9 Country: Russia (UFC)
12. Damian Grabowski Age: 34 MMA Rec: 20-2 Streak: W - 1 Country: Poland (M-1)
13. Alexander Volkov Age: 26 MMA Rec: 24-6 Streak: L - 2 Country: Russia (Bellator)
14. Evgeny Erokhin Age: 29 MMA Rec: 11-4 Streak: W - 6 Country: Russia (League S-70)
15. Karol Bedorf Age: 32 MMA Rec: 13-2 Streak: W - 7 Country: Poland (KSW)
16. Stefan Struve Age: 27 MMA Rec: 26-8 Streak: L - 1 Country: Netherlands (UFC)
17. Jiri Prochazka Age: ?? MMA Rec: 16-3 Streak: L - 2 Country: Czech Republic (RIZIN)
18. Oli Thompson Age: 36 MMA Rec: 17-8 Streak: W - 5 Country: England (IGF)
19. Denis Smoldarev Age: 25 MMA Rec: 11-1 Streak: W - 2 Country: Estonia (NOFS)
20. Viktor Pesta Age: 25 MMA Rec: 10-2 Streak: L - 1 Country: Czech Republic (UFC)
Light Heavyweight
1. Alexander Gustafsson Age: 28 MMA Rec: 16-4 Streak: L - 2 Country: Sweden (UFC)
2. Liam McGreary Age: 32 MMA Rec: 11-0 Streak: W - 11 Country: England (Bellator)
3. Jimi Manuwa Age: 35 MMA Rec: 15-2 Streak: L - 1 Country: England (UFC)
4. Francis Carmont Age: 33 MMA Rec: 24-11 Streak: L - 1 Country: France (Bellator)
5. Ilir Latifi Age: 32 MMA Rec: 11-4 Streak: W - 2 Country: Sweden (UFC)
6. Viktor Nemkov Age: 28 MMA Rec: 23-5 Streak: W - 4 Country: Russia (M-1)
7. Tomasz Narkun Age: 25 MMA Rec: 11-2 Streak: W - 2 Country: Poland (KSW)
8. Attila Vegh Age: 29 MMA Rec: 29-6 Streak: L - 2 Country: Slovakia (KSW)
9. Stephan Puetz Age: 28 MMA Rec: 13-2 Streak: L - 1 Country: Germany (M-1)
10. Maxim Grishin Age: 31 MMA Rec: 21-6 Streak: W - 9 Country: Russia (AFC)
11. Linton Vassell Age: 32 MMA Rec: 15-5 Streak: L - 1 Country: England (Bellator)
12. Shamil Gamzatov Age: 25 MMA Rec: 10-0 Streak: W - 10 Country: Russia (WSOF)
13. Jan Blachowicz Age: 32 MMA Rec: 18-5 Streak: L - 2 Country: Poland (UFC)
14. Nikita Krylov Age: 23 MMA Rec: 19-4 Streak: W - 3 Country: Ukraine (UFC)
15. Joachim Christensen Age: ?? MMA Rec: 12-3 Streak: W - 4 Country: Denmark (GMC)
16. Misha Cirkunov Age: 28 MMA Rec: 10-2 Streak: W - 5 Country: Latvia (UFC)
17. Gadzhimurad Antigulov Age: ?? MMA Rec: 17-4 Streak: W - 11 Country: Russia (ACB)
18. Egidijus Valavicius Age: 36 MMA Rec: 29-11 Streak: W - 2 Country: Lithuania (SCS)
19. Elvis Mutapcic Age: 29 MMA Rec: 15-4 Streak: L - 1 Country: Bosnia and Herzegovina (UFC)
20. Abdul-Kerim Edilov Age: 24 MMA Rec: 16-4 Streak: W - 10 Country: Russia (AFC)
Middleweight
1. Gegard Mousasi Age: 30 MMA Rec: 37-6 Streak: L - 1 Country: Armenia (UFC)
2. Michael Bisping Age: 36 MMA Rec: 27-7 Streak: W - 2 Country: England (UFC)
3. Mamed Khalidov Age: 35 MMA Rec: 31-4 Streak: W - 11 Country: Poland (KSW)
4. Ramazan Emeev Age: 28 MMA Rec: 13-3 Streak: W - 2 Country: Azerbaijan (M-1)
5. Alexander Shlemenko Age: 30 MMA Rec: 51-9 Streak: W - 1 Country: Russia (Bellator)
6. Michal Materla Age: 31 MMA Rec: 22-5 Streak: L - 1 Country: Poland (KSW)
7. Aziz Karaoglu Age: 38 MMA Rec: 9-6 Streak: W - 3 Country: Turkey (KSW)
8. Vyacheslav Vasilevsky Age: 27 MMA Rec: 27-3 Streak: W - 1 Country: Russia (M-1)
9. Anatoly Tokov Age: 25 MMA Rec: 22-1 Streak: W - 15 Country: Russia (RIZIN)
10. Melvin Manhoef Age: 38 MMA Rec: 30-12 Streak: W - 1 Country: Netherlands (Bellator)
11. Jack Hermansson Age: 27 MMA Rec: 11-2 Streak: W - 6 Country: Sweden (VFC)
12. Luke Barnatt Age: 27 MMA Rec: 9-3 Streak: W - 1 Country: England (VFC)
13. Alexey Butorin Age: 29 MMA Rec: 10-0 Streak: W - 10 Country: Russia (One)
14. Krzysztof Jotko Age: 26 MMA Rec: 16-1 Streak: W - 2 Country: Poland (UFC)
15. Tom Watson Age: 33 MMA Rec: 17-9 Streak: L - 2 Country: England (UFC)
16. Cheick Kone Age: 31 MMA Rec: 12-3 Streak: W - 5 Country: France (BAMMA)
17. Vitaly Bigdash Age: 31 MMA Rec: 8-0 Streak: W - 8 Country: Russia (One)
18. Abu Azaitar Age: 29 MMA Rec: 11-2 Streak: W - 2 Country: Germany (ACB)
19. Mikkel Parlo Age: 25 MMA Rec: 13-2 Streak: W - 2 Country: Denmark (GMC)
20. Jake Bostwick Age: ?? MMA Rec: 17-8 Streak: W - 10 Country: England (PUK)
Welterweight
1. Andrey Koreshkov Age: 24 MMA Rec: 18-1 Streak: W - 5 Country: Russia (Bellator)
2. Tarec Saffiedine Age: 29 MMA Rec: 16-4 Streak: W - 1 Country: Belgium (UFC)
3. Albert Tumenov Age: 24 MMA Rec: 17-2 Streak: W - 5 Country: Russia (UFC)
4. Gunnar Nelson Age: 27 MMA Rec: 14-2 Streak: L - 1 Country: Iceland (UFC)
5. Alexander Yakovlev Age: 31 MMA Rec: 23-6 Streak: W - 2 Country: Russia (UFC)
6. Borys Mankowski Age: 26 MMA Rec: 18-5 Streak: W - 5 Country: Poland (KSW)
7. Danny Roberts Age: 28 MMA Rec: 12-1 Streak: W - 6 Country: England (UFC)
8. Paul Daley Age: 32 MMA Rec: 38-13 Streak: W - 5 Country: England (Bellator)
9. Tom Breese Age: 24 MMA Rec: 9-0 Streak: W - 9 Country: England (UFC)
10. Nicholas Musoke Age: 28 MMA Rec: 13-4 Streak: L - 1 Country: Sweden (UFC)
11. Bartosz Fabinski Age: 29 MMA Rec: 13-2 Streak: W - 6 Country: Poland (UFC)
12. Nicolas Dalby Age: 30 MMA Rec: 14-0 Streak: D - 1 Country: Denmark (UFC)
13. Beslan Isaev Age: 32 MMA Rec: 33-7 Streak: W - 9 Country: Russia (ACB)
14. Alexey Kunchenko Age: 31 MMA Rec: 12-0 Streak: W - 12 Country: Russia (OMMAF)
15. Yasubey Enomoto Age: 31 MMA Rec: 14-6 Streak: W - 2 Country: Switzerland (AFC)
16. Karl Amoussou Age: 30 MMA Rec: 21-7 Streak: W - 4 Country: France (VFC)
17. Omari Akhmedov Age: 28 MMA Rec: 15-3 Streak: L - 1 Country: Russia (UFC)
18. Jim Wallhead Age: 31 MMA Rec: 28-9 Streak: W - 3 Country: England (KSW)
19. Leon Edwards Age: 24 MMA Rec: 10-3 Streak: L - 1 Country: England (UFC)
20. Aslambek Saidov Age: 31 MMA Rec: 17-4 Streak: W - 2 Country: Poland (ACB)
Lightweight
1. Rashid Magomedov Age: 31 MMA Rec: 19-1 Streak: W - 12 Country: Russia (UFC)
2. Marcin Held Age: 23 MMA Rec: 21-4 Streak: L - 1 Country: Poland (Bellator)
3. Alexander Sarnavskiy Age: 26 MMA Rec: 32-3 Streak: W - 2 Country: Russia (FEMFP)
4. Rustam Khabilov Age: 28 MMA Rec: 17-3 Streak: L - 2 Country: Russia (UFC)
5. Magomed Mustafaev Age: 27 MMA Rec: 13-1 Streak: W - 12 Country: Russia (UFC)
6. Mairbek Taisumov Age: 26 MMA Rec: 24-5 Streak: W - 3 Country: Russia (UFC)
7. Steven Ray Age: 25 MMA Rec: 19-5 Streak: W - 5 Country: Scotland (UFC)
8. Ross Pearson Age: 31 MMA Rec: 18-10 Streak: L - 1 Country: England (UFC)
9. Mateusz Gamrot Age: 24 MMA Rec: 10-0 Streak: W - 10 Country: Poland (KSW)
10. Norman Parke Age: 28 MMA Rec: 21-4 Streak: W - 1 Country: Northern Ireland (UFC)
11. Oleg Bagov Age: 25 MMA Rec: 20-8 Streak: W - 6 Country: Russia (ACB)
12. Akop Stepanyan Age: 29 MMA Rec: 22-7 Streak: W - 9 Country: Armenia (OFS)
13. Saul Rogers Age: 26 MMA Rec: 10-1 Streak: W - 4 Country: England (Real)
14. Eduard Vartanyan Age: 24 MMA Rec: 12-2 Streak: W - 1 Country: Russia (ACB)
15. Ramazan Esenbaev Age: ?? MMA Rec: 9-1 Streak: W - 3 Country: Russia (M-1)
16. Nick Hein Age: 31 MMA Rec: 13-2 Streak: W - 2 Country: Germany (UFC)
17. Khusein Khaliev Age: ?? MMA Rec: 14-1 Streak: W - 6 Country: Russia (WSOF)
18. Joseph Duffy Age: 27 MMA Rec: 14-2 Streak: L - 1 Country: Ireland (UFC)
19. Ozzy Dugulubgov Age: 26 MMA Rec: 8-2 Streak: W - 3 Country: Russia (WSOF)
20. Thibault Gouti Age: 28 MMA Rec: 10-0 Streak: W - 10 Country: France (Cage)
Featherweight
1. Conor McGregor Age: 27 MMA Rec: 19-2 Streak: W - 15 Country: Ireland (UFC)
2. Daniel Weichel Age: 31 MMA Rec: 36-9 Streak: W - 1 Country: Germany (Bellator)
3. Ivan Buchinger Age: 29 MMA Rec: 30-4 Streak: W - 9 Country: Slovakia (M-1)
4. Marat Gafurov Age: 31 MMA Rec: 13-0 Streak: W - 13 Country: Russia (One)
5. Mirsad Bektic Age: 24 MMA Rec: 10-0 Streak: W - 10 Country: Bosnia and Herzegovina (UFC)
6. Dennis Siver Age: 36 MMA Rec: 22-11 Streak: L - 2 Country: Germany (UFC)
7. Murad Machaev Age: 29 MMA Rec: 18-1 Streak: W - 9 Country: Russia (MFC)
8. Rasul Mirzaev Age: 29 MMA Rec: 13-0 Streak: W - 13 Country: Russia (FNR)
9. Zubaira Tukhugov Age: 24 MMA Rec: 18-3 Streak: W - 9 Country: Russia (UFC)
10. Tom Duquesnoy Age: 22 MMA Rec: 11-1 Streak: W - 7 Country: France (BAMMA)
11. Niklas Backstrom Age: 25 MMA Rec: 8-2 Streak: L - 2 Country: Sweden (UFC)
12. Magomed Idrisov Age: ?? MMA Rec: 6-0 Streak: W - 6 Country: Russia (M-1)
13. Artur Sowinski Age: 28 MMA Rec: 16-7 Streak: W - 4 Country Poland (KSW)
14. Martin Svensson Age: 30 MMA Rec: 14-5 Streak: W - 2 Country: Sweden (CWFC)
15. Salman Zhamaldaev Age: 26 MMA Rec: 10-1 Streak: W - 10 Country: Russia (AFC)
16. Robert Whiteford Age: 32 MMA Rec: 12-3 Streak: L - 1 Country: Scotland (UFC)
17. Mansour Barnaoui Age: 23 MMA Rec: 12-3 Streak: L - 1 Country: France (M-1)
18. Zabit Magomedsharipov Age: 24 MMA Rec: 10-2 Streak: W - 6 Country: Russia (ACB)
19. Tural Ragimov Age: ?? MMA Rec: 10-2 Streak: W - 1 Country: Azerbaijan (M-1)
20. Filip Wolanski Age: 24 MMA Rec: 9-1 Streak: W - 8 Country: Poland (IFN)
Bantamweight
1. Manny Gamburyan Age: 33 MMA Rec: 14-8 Streak: W - 1 Country: Armenia (UFC)
2. Brett Johns Age: 23 MMA Rec: 12-0 Streak: W - 12 Country: Wales (TFC)
3. Shay Walsh Age: ?? MMA Rec: 14-3 Streak: W - 4 Country: England (BAMMA)
4. Timur Valiev Age: 25 MMA Rec: 10-1 Streak: W - 10 Country: Russia (WSOF)
5. Mike Wootten Age: ?? MMA Rec: 9-0 Streak: W - 9 Country: England (BAMMA)
6. Magomed Magomedov Age: 23 MMA Rec: 12-1 Streak: W - 11 Country: Russia (ACB)
7. Timo-Juhani Hirvikangas Age: 30 MMA Rec: 10-2 Streak: W - 5 Country: Finland (Cage)
8. Brad Pickett Age: 36 MMA Rec: 24-11 Streak: L - 3 Country: England (UFC)
9. Sirwan Kakai Age: 25 MMA Rec: 12-3 Streak: L - 1 Country: Sweden (UFC)
10. Rakhman Dudaev Age: ?? MMA Rec: 16-3 Streak: W - 6 Country: Russia (AFC)
11. Petr Yan Age: 22 MMA Rec: 5-0 Streak: W - 5 Country: Russia (ACB)
12. Ian Entwistle Age: 28 MMA Rec: 9-2 Streak: W - 1 Country: England (UFC)
13. Mikhail Malyutin Age: 33 MMA Rec: 31-12 Streak: W - 4 Country: Russia (AFC)
14. Janne Elonen-Kulmala Age: 26 MMA Rec: 13-4 Streak: W - 9 Country: Finland (Cage)
15. Yusup Saadulaev Age: 30 MMA Rec: 14-4 Streak: W - 2 Country: Russia (One)
16. Antun Racic Age: 25 MMA Rec: 18-6 Streak: W - 1 Country: Croatia (M-1)
17. Saba Bolaghi Age: 26 MMA Rec: 5-0 Streak: W - 4 Country: Germany (GMC)
18. Taylor Lapilus Age: 23 MMA Rec: 10-2 Streak: L - 1 Country: France (UFC)
19. Tomas Deak Age: 25 MMA Rec: 14-8 Streak: W - 1 Country: Slovakia (FNR)
20. Toni Tauru Age: 31 MMA Rec: 10-3 Streak: L - 2 Country: Finland (One)
Flyweight
1. Ali Bagautinov Age: 30 MMA Rec: 13-4 Streak: L - 2 Country: Russia (UFC)
2. Patrick Holohan Age: 27 MMA Rec: 12-2 Streak: L - 1 Country: Ireland (UFC)
3. Magomed Bibulatov Age: 27 MMA Rec: 10-0 Streak: W - 10 Country: Russia (WSOF)
4. Neil Seery Age: 36 MMA Rec: 16-11 Streak: W - 1 Country: Ireland (UFC)
5. Kairat Akhmetov Age: 28 MMA Rec: 23-0 Streak: W - 23 Country: Kazakhstan (One)
6. Rany Saadeh Age: 22 MMA Rec: 7-1 Streak: W - 5 Country: Germany (BAMMA)
7. Shaj Haque Age: ?? MMA Rec: 7-2 Streak: L - 1 Country: England (BAMMA)
8. Brett Caswell Age: ?? MMA Rec: 8-1 Streak: W - 4 Country: England (SnA)
9. Velimurad Alhasov Age: ?? MMA Rec: 4-0 Streak: W - 4 Country: Russia (ACB)
10. Yoni Sherbatov Age: ?? MMA Rec: 5-0 Streak: W - 5 Country: Russia (XFFC)
11. Vitali Branchuk Age: ?? MMA Rec: 20-5 Streak: W - 7 Country: Ukraine (T-K FC)
12. Alptekin Ozkilic Age: 29 MMA Rec: 9-4 Streak: L - 3 Country: Turkey (UFC)
13. Yunus Evloev Age: 30 MMA Rec: 15-7 Streak: W - 2 Country: Russia (AFC)
14. Ruslan Abiltarov Age: 22 MMA Rec: 19-6 Streak: L - 1 Country: Ukraine (ACB)
15. Kurban Gadzhiev Age: ?? MMA Rec: 10-0 Streak: W - 10 Country: Russia (FN)
16. Chris Miah Age: 23 MMA Rec: 7-0 Streak: W - 7 Country: England (BAMMA)
17. Alexander Keshtov Age: ?? MMA Rec: 6-0 Streak: W - 6 Country: Russia (WSOF)
18. Andoni Sorando Age: 22 MMA Rec: 5-3 Streak: W - 4 Country: Spain (AFL)
19. Paul Marin Age: 30 MMA Rec: 11-5 Streak: L - 1 Country: Romania (AFL)
20. Mikael Silander Age: 30 MMA Rec: 13-4 Streak: W - 1 Country: Finland (Cage)