| UFC on FOX: Johnson vs. Reis | Alexander Volkov | 1021 →1042(+21) | Roy Nelson | 1033 →1012(-21) | Heavyweight | Loss | U-DEC |
| UFC Fight Night: Cyborg vs. Lansberg | Roy Nelson | 1012 →1033(+21) | Antonio Silva | 974 →953(-21) | Heavyweight | Win | KO |
| UFC Fight Night: Dos Anjos vs. Alvarez | Derrick Lewis | 1082 →1099(+17) | Roy Nelson | 1029 →1012(-17) | Heavyweight | Loss | S-DEC |
| UFC Fight Night: Hendricks vs Thompson | Roy Nelson | 1004 →1029(+25) | Jared Rosholt | 1093 →1068(-25) | Heavyweight | Win | U-DEC |
| UFC Fight Night: Barnett vs Nelson | Josh Barnett | 1079 →1095(+16) | Roy Nelson | 1021 →1004(-17) | Heavyweight | Loss | U-DEC |
| UFC 185: Pettis vs Dos Anjos | Alistair Overeem | 1017 →1039(+22) | Roy Nelson | 1043 →1021(-22) | Heavyweight | Loss | U-DEC |
| UFC Fight Night: Hunt vs Nelson | Mark Hunt | 1059 →1082(+23) | Roy Nelson | 1066 →1043(-23) | Heavyweight | Loss | KO |
| UFC Fight Night: Minotauro vs Nelson | Roy Nelson | 1043 →1066(+23) | Antonio Rodrigo Nogueira | 1037 →1015(-22) | Heavyweight | Win | KO |
| UFC 166: Velasquez vs Dos Santos 3 | Daniel Cormier | 1026 →1048(+22) | Roy Nelson | 1066 →1043(-23) | Heavyweight | Loss | U-DEC |
| UFC 161: Evans vs Henderson | Stipe Miocic | 1043 →1066(+23) | Roy Nelson | 1088 →1066(-22) | Heavyweight | Loss | U-DEC |
| UFC 159: Jones vs Sonnen | Roy Nelson | 1063 →1088(+25) | Cheick Kongo | 1099 →1074(-25) | Heavyweight | Win | KO |
| The Ultimate Fighter: Team Carwin vs. Team Nelson Finale | Roy Nelson | 1037 →1063(+26) | Matt Mitrione | 1079 →1053(-26) | Heavyweight | Win | KO |
| UFC 146: Dos Santos vs Mir | Roy Nelson | 1015 →1037(+22) | Dave Herman | 1002 →980(-22) | Heavyweight | Win | KO |
| UFC 143: Diaz vs Condit | Fabricio Werdum | 1014 →1035(+21) | Roy Nelson | 1036 →1015(-21) | Heavyweight | Loss | U-DEC |
| UFC 137: Penn vs Diaz | Roy Nelson | 1015 →1036(+21) | Mirko Filipovic | 992 →971(-21) | Heavyweight | Win | KO |
| UFC 130: Rampage vs Hamill | Frank Mir | 1108 →1123(+15) | Roy Nelson | 1030 →1015(-15) | Heavyweight | Loss | U-DEC |
| UFC 117: Silva vs Sonnen | Junior Dos Santos | 1108 →1124(+16) | Roy Nelson | 1047 →1030(-17) | Heavyweight | Loss | U-DEC |
| UFC Fight Night: Florian vs Gomi | Roy Nelson | 1023 →1047(+24) | Stefan Struve | 1045 →1021(-24) | Heavyweight | Win | KO |
The Ultimate Fighter: Heavyweights Finale | Roy Nelson | 1000 →1023(+23) | Brendan Schaub | 1000 →977(-23) | Heavyweight | Win | KO |
