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| UFC | 2021/03/28 03:00 | Thomas Almeida v Sean O'Malley | 0-1 |
| UFC | 2020/08/16 03:40 | Sean O'Malley v Marlon Vera | 0-1 |
| UFC | 2020/06/07 02:15 | Sean O'Malley v Eddie Wineland | 1-0 |
| UFC | 2020/03/08 02:35 | Jose Quinonez v Sean O'Malley | 0-1 |
| UFC | 2018/03/04 03:00 | Sean O'Malley v Andre Soukhamthath | 1-0 |
| UFC | 2017/12/02 03:00 | Sean O'Malley v Terrion Ware | 1-0 |