| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Nick | Diaz | 6' 1" | 170 lbs. | 76.0" | Southpaw | 26 | 10 | 0 | ||
| Nate | Diaz | 6' 0" | 170 lbs. | 76.0" | Southpaw | 22 | 13 | 0 | ||
| Michael | Diaz | -- | 260 lbs. | -- | 1 | 2 | 0 | |||
| Ryan | Diaz | -- | 145 lbs. | -- | 13 | 14 | 0 | |||
| Adrian | Diaz | 5' 10" | 145 lbs. | -- | Southpaw | 11 | 4 | 1 | ||
| Ozzy | Diaz | 6' 4" | 185 lbs. | 79.0" | Orthodox | 7 | 2 | 0 | ||
| Mark | Dickman | Tricky | 5' 9" | 145 lbs. | -- | 11 | 3 | 0 | ||
| Josh | Diekmann | The Freight Train | 5' 4" | 246 lbs. | -- | 15 | 8 | 0 | ||
| Kyle | Dietz | 5' 8" | 135 lbs. | -- | Orthodox | 5 | 2 | 0 | ||
| Seth | Dikun | 5' 10" | 135 lbs. | 69.0" | Orthodox | 9 | 8 | 0 | ||
| TJ | Dillashaw | 5' 6" | 135 lbs. | 67.0" | Orthodox | 18 | 5 | 0 | ||
| Ralph | Dillon | Rage | 6' 2" | 205 lbs. | -- | Orthodox | 0 | 2 | 1 | |
| Drew | Dimanlig | -- | 185 lbs. | -- | 3 | 4 | 0 | |||
| Rodolfo Marques | Diniz | 5' 6" | 135 lbs. | -- | 23 | 9 | 1 | |||
| Jhonata | Diniz | 6' 4" | 254 lbs. | 79.0" | Orthodox | 6 | 0 | 0 | ||
| Helio | Dipp | 6' 5" | 185 lbs. | -- | Orthodox | 6 | 3 | 0 | ||
| Rico | DiSciullo | 5' 8" | 135 lbs. | -- | Orthodox | 9 | 2 | 0 | ||
| Matt | Dixon | Magic | 5' 10" | 170 lbs. | 75.0" | Switch | 9 | 1 | 0 | |
| John | Dixson | Big John | 6' 0" | 275 lbs. | -- | Orthodox | 15 | 22 | 0 | |
| Anthony | Do | 5' 4" | 125 lbs. | -- | 4 | 2 | 0 | |||
| Russell | Doane | 5' 7" | 135 lbs. | 70.0" | Orthodox | 15 | 8 | 0 | ||
| Drew | Dober | 5' 8" | 155 lbs. | 70.0" | Southpaw | 27 | 13 | 0 | ||
| Shana | Dobson | Danger | 5' 6" | 125 lbs. | 69.0" | Orthodox | 4 | 5 | 0 | |
| AJ | Dobson | 6' 1" | 185 lbs. | 76.0" | Orthodox | 7 | 3 | 0 |