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1
- Georges St-Pierre
- "Rush"
- 26-2-0
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(26-2) MW champ, WW champ, Interim WW champ
13 title fight wins, 9 WW defenses, 13 fight win streak
Penn x2, Hughes x2, Alves, Koscheck x2, Shields, Condit, Diaz, Hendricks, Bisping
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2
- Jon Jones
- "Bones"
- 27-1-0, 1 NC
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(26-1) LHW
14 title fight wins, 11 defenses, 13 fight win streak
Shogun, Rampage, Lyoto, Evans, Vitor, Gustafsson x2, Reyes
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3
- Demetrious Johnson
- "Mighty Mouse"
- 25-4-1
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(27-3) FLW champ
12 title fight wins, 11 defenses, 13 fight win streak
Benavidez x2, Dodson x2, Cejudo, Horiguchi
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4
- Stipe Miocic
- 20-4-0
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(20-3) HW champ
6 title fight wins, 4 defenses, 5 fight win streak
Nelson, Hunt, Arlovski, Werdum, Reem, JDS, Francis, DC x2
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5
- Daniel Cormier
- "DC"
- 22-3-0, 1 NC
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(22-3) S. double champ, LHW champ, HW champ
6 title fight wins, 3 LHW defenses, 1 HW defense, 4 fight win streak
Mir, Nelson, Henderson, Rumble x2, Gustafsson, Silva, Miocic, Lewis
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6
- Khabib Nurmagomedov
- "The Eagle"
- 29-0-0
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(29-0) LW Champ
4 title fight wins, 3 defenses, 13 fight win streak (12 LW)
RDA, Barboza, Johnson, McGregor, Poirier, Gaethje
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7
- Henry Cejudo
- "Triple C"
- 16-4-0
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(16-2) S. double champ, FLW champ, BW champ
4 title fight wins, 1 FLW defense, 1 BW defense, 6 fight win streak (4 FLW) (2 BW)
DJ, TJ, Moraes, Cruz
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8
- Anderson Silva
- "The Spider"
- 34-11-0, 1 NC
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9
- José Aldo
- "Junior"
- 31-8-0
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(29-7) FTW champ, Interim FTW champ
8 title fight wins, 7 defenses, 7 fight win streak
Mendes x2, Edgar x2, TKZ, Lamas, Florian, Stephens, Moicano
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10
- Matt Hughes
- 45-9-0
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11
- Dominick Cruz
- "The Dominator" | 24-4-0
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12
- Fedor Emelianenko
- "The Last Emperor" | 40-7-0, 1 NC
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13
- Max Holloway
- "Blessed" | 26-7-0
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14
- Conor McGregor
- "The Notorious" | 22-6-0
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15
- BJ Penn
- "The Prodigy" | 16-14-2