The official weigh-ins were held today for the Bellator 231: Mir vs. Nelson which takes place on October 25, 2019 in Uncasville, Connecticut, United States.
All fighters made weight for the event. Check out the weigh-in results and video below.
Official Weigh-in Video
Weigh-in Results
| kg | lb | Fighter 1 | Fighter 2 | lb | kg | |
| 120.5 | 265.75 | Frank Mir | Vs | Roy Nelson | 258 | 117.0 |
| 93.0 | 205 | Karl Albrektsson | Vs | Phil Davis | 205.5 | 93.2 |
| 77.3 | 170.5 | Jason Jackson | Vs | Ed Ruth | 170 | 77.1 |
| 56.8 | 125.25 | Ilara Joanne | Vs | Bec Rawlings | 125.5 | 56.9 |
| 120.2 | 265 | Anthony Garrett | Vs | Jake Hager | 249 | 112.9 |
| 56.8 | 125.25 | Phumi Nkuta | Vs | Adrian Haley | 126 | 57.2 |
| 77.2 | 170.25 | Connor Dixon | Vs | Orkhan Ismatzade | 169 | 76.7 |
| 70.4 | 155.25 | Killys Mota | Vs | Mandel Nallo | 154.25 | 70.0 |
| 66.2 | 146 | Jessy Miele | Vs | Talita Nogueira | 145.75 | 66.1 |
| 110.4 | 243.5 | Steve Mowry | Vs | Gokhan Saricam | 243.25 | 110.3 |
| 93.0 | 205 | Dalton Rosta | Vs | Claude Wilcox | 202.75 | 92.0 |
| 83.5 | 184 | Lucas Pimenta Borges | Vs | Tim Caron | 184.75 | 83.8 |
| 47.6 | 105 | Rebecca Bryggman | Vs | Elise Reed | 105.5 | 47.9 |
| 77.2 | 170.25 | Jon Manley | Vs | Thiago Oliveira | 169.75 | 77.0 |