-
1
- O'Malley vs. Wineland
- Sean O'Malley | KO/TKO | Round 1
- 2020 | UFC 250
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2
- Nuzzo vs. O'Malley
- Sean O'Malley | KO/TKO | Round 1
- 2017 | LFA 11
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3
- O'Malley vs. Caldwell
- Sean O'Malley | Submission | Round 2
- 2014 | Intense Championship Fighting 16
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4
- O'Malley vs. Soukhamthath
- Sean O'Malley | Decision
- 2018 | UFC 222
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5
- O'Malley vs. Khashakyan
- Sean O'Malley | KO/TKO | Round 1
- 2017 | DW's Contender Series 2017
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6
- O'Malley vs. Lombard
- Hector Lombard | Submission | Round 1
- 2019 | Quintet Ultra
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7
- Veloz vs. O'Malley
- Sean O'Malley | KO/TKO | Round 1
- 2017 | Beatdown 20
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8
- Quiñonez vs. O'Malley
- Sean O'Malley | KO/TKO | Round 1
- 2020 | UFC 248
-
9
- O'Malley vs. Reyes
- Sean O'Malley | Submission | Round 1
- 2015 | Intense Championship Fighting 17
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10
- Coates vs. O'Malley
- Sean O'Malley | Decision
- 2015 | Intense Championship Fighting 23
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11
- O'Malley vs. Avelar
- Sean O'Malley | Submission | Round 1 | Intense Championship Fighting 20
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12
- O'Malley vs. Ibsen II
- Sean O'Malley | KO/TKO | Round 1 | Intense Cage Fighting 15
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13
- O'Malley vs. Ibsen
- Sean O'Malley | Submission | Round 1 | Intense Cage Fighting 12
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14
- O'Malley vs. Sargent
- Sean O'Malley | KO/TKO | Round 1 | Intense Championship Fighting 19
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15
- O'Malley vs. Gomi
- Sean O'Malley | Submission | Round 1 | Quintet Ultra
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16
- O'Malley vs. Lynn
- Sean O'Malley | KO/TKO | Round 2 | Intense Championship Fighting 26
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17
- O'Malley vs. Ware
- Sean O'Malley | Decision | The Ultimate Fighter 26 Finale