| 2026-07-25 | UFC Fight Night: Ankalaev vs. Guskov | Flyweight | Ramazan Temirov def. Steve Erceg | KO (punch) | 1 | 4:21 |
| 2026-05-02 | UFC Fight Night: Della Maddalena vs. Prates | Flyweight | Steve Erceg def. Tim Elliott | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2025-08-09 | UFC on ESPN: Dolidze vs. Hernandez | Bantamweight | Steve Erceg def. Ode' Osbourne | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2025-03-29 | UFC on ESPN: Moreno vs. Erceg | Flyweight | Brandon Moreno def. Steve Erceg | Decision (unanimous) (49–46, 49–46, 49–46) | 5 | 5:00 |
| 2024-08-18 | UFC 305: du Plessis vs. Adesanya | Flyweight | Kai Kara-France def. Steve Erceg | TKO (punches) | 1 | 4:04 |
| 2024-05-04 | UFC 301: Pantoja vs. Erceg | Flyweight | Alexandre Pantoja def. Steve Erceg title | Decision (unanimous) (48–47, 48–47, 49–46) | 5 | 5:00 |
| 2024-03-02 | UFC Fight Night: Rozenstruik vs. Gaziev | Flyweight | Steve Erceg def. Matt Schnell | KO (punch) | 2 | 0:26 |
| 2023-11-11 | UFC 295: Procházka vs. Pereira | Flyweight | Steve Erceg def. Alessandro Costa | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2023-06-10 | UFC 289: Nunes vs. Aldana | Flyweight | Steve Erceg def. David Dvořák | Decision (unanimous) (29–28, 29–28, 30–27) | 3 | 5:00 |