| UFC Event | Main Event Winner | Defeated |
| UFC 1 | |
| UFC 2 | |
| UFC 3 | |
| UFC 4 | |
| UFC 5 | |
| UFC 6 | |
| UFC 7 | |
| Ultimate Ultimate 1995 | |
| UFC 8 | |
| UFC 9 | |
| UFC 10 | |
| UFC 11 | |
| Ultimate Ultimate 1996 | |
| UFC 12 | |
| UFC 13 | |
| UFC 14 | |
| UFC 15 | |
| Ultimate Japan | |
| UFC 16 | |
| UFC 17 | |
| Ultimate Brazil | |
| UFC 18 | |
| UFC 19 | |
| UFC 20 | |
| UFC 21 | |
| UFC 22 | |
| UFC 23 | |
| UFC 24 | |
| UFC 25 | |
| UFC 26 | |
| UFC 27 | |
| UFC 28 | |
| UFC 29 | |
| UFC 30 | |
| UFC 31 | |
| UFC 32 | |
| UFC 33 | |
| UFC 34 | |
| UFC 35 | |
| UFC 36 | |
| UFC 37 | |
| UFC 37.5 | |
| UFC 38 | |
| UFC 39 | |
| UFC 40 | |
| UFC 41 | |
| UFC 42 | |
| UFC 43 | |
| UFC 44 | |
| UFC 45 | |
| UFC 46 | |
| UFC 47 | |
| UFC 48 | |
| UFC 49 | |
| UFC 50 | |
| UFC 51 | |
| Ultimate Fighter 1 Finale | |
| UFC 52 | |
| UFC 53 | |
| Ultimate Fight Night 1 | |
| UFC 54 | |
| Ultimate Fight Night 2 | |
| UFC 55 | |
| Ultimate Fighter 2 Finale | |
| UFC 56 | |
| Ultimate Fight Night 3 | |
| UFC 57 | |
| | UFC Event | Main Event Winner | Defeated |
| UFC 58 | |
| Ultimate Fight Night 4 | |
| UFC 59 | |
| UFC 60 | |
| Ultimate Fighter 3 Finale | |
| Ultimate Fight Night 5 | |
| UFC 61 | |
| Ultimate Fight Night 6 | |
| UFC 62 | |
| UFC 63 | |
| UFC - The Final Chapter | |
| UFC 64 | |
| Ultimate Fighter 4 Finale | |
| UFC 65 | |
| Ultimate Fight Night 7 | |
| UFC 66 | |
| Ultimate Fight Night 8 | |
| UFC 67 | |
| UFC 68 | |
| Ultimate Fight Night 9 | |
| UFC 69 | |
| UFC 70 | |
| UFC 71 | |
| Ultimate Fight Night 10 | |
| UFC 72 | |
| Ultimate Fighter 5 Finale | |
| UFC 73 | |
| UFC 74 | |
| UFC 75 | |
| Ultimate Fight Night 11 | |
| UFC 76 | |
| UFC 77 | |
| UFC 78 | |
| Ultimate Fighter 6 Finale | |
| UFC 79 | |
| UFC 80 | |
| Ultimate Fight Night 12 | |
| UFC 81 | |
| UFC 82 | |
| Ultimate Fight Night 13 | |
| UFC 83 | |
| UFC 84 | |
| UFC 85 | |
| Ultimate Fighter 7 Finale | |
| UFC 86 | |
| Ultimate Fight Night 14 | |
| UFC 87 | |
| UFC 88 | |
| Ultimate Fight Night 15 | |
| UFC 89 | |
| UFC 90 | |
| UFC 91 | |
| UFC Fight for the Troops (UFN 16) | |
| Ultimate Fighter 8 Finale | |
| UFC 92 | |
| UFC 93 | |
| UFC 94 | |
| Ultimate Fight Night 17 | |
| UFC 95 | |
| UFC 96 | |
| Ultimate Fight Night 18 | |
| UFC 97 | |
| UFC 98 | |
| UFC 99 | |
| Ultimate Fighter 9 Finale | |
| UFC 100 | |
| UFC 101 | |
| | UFC Event | Main Event Winner | Defeated |
| UFC 102 | |
| Ultimate Fight Night 19 | |
| UFC 103 | |
| UFC 104 | |
| UFC 105 | |
| UFC 106 | |
| Ultimate Fighter 10 Finale | |
| UFC 107 | |
| UFC 108 | |
| Ultimate Fight Night 20 | |
| UFC 109 | |
| UFC 110 | |
| UFC Live on Versus | |
| UFC 111 | |
| Ultimate Fight Night 21 | |
| UFC 112 | |
| WEC (First PPV) | |
| UFC 113 | |
| UFC 114 | |
| UFC 115 | |
| Ultimate Fighter 11 Finale | |
| UFC 116 | |
| UFC Live on Versus 2 | |
| UFC 117 | |
| UFC 118 | |
| Ultimate Fight Night 22 | |
| UFC 119 | |
| UFC 120 | |
| UFC 121 | |
| UFC 122 | |
| UFC 123 | |
| Ultimate Fighter 12 Finale | |
| UFC 124 | |
| UFC 125 | |
| UFC Tribute to the Troops 2 (UFN 23) | |
| UFC 126 | |
| UFC 127 | |
| UFC Live on Versus 3 | |
| UFC 128 | |
| Ultimate Fight Night 24 | |
| UFC 129 | |
| UFC 130 | |
| Ultimate Fighter 13 Finale | |
| UFC 131 | |
| UFC Live on Versus 4 | |
| UFC 132 | |
| UFC 133 | |
| UFC Live on Versus 5 | |
| UFC 134 | |
| Ultimate Fight Night 25 | |
| UFC 135 | |
| UFC Live on Versus 6 | |
| UFC 136 | |
| UFC 137 | |
| UFC 138 | |
| UFC on FOX 1 | |
| UFC 139 | |
| Ultimate Fighter 14 Finale | |
| UFC 140 | |
| UFC 141 | |
| UFC 142 | |
| UFC on FX 1 | |
| UFC on FOX 2 | |
| UFC 143 | |
| UFC on Fuel TV 1 | |
| UFC 144 | |
| UFC on FX 2 | |
|