- Costello van SteenisCredit: PFL MMA
- Costello van SteenisCredit: PFL MMA
- Costello van SteenisCredit: PFL MMA
- Costello van SteenisCredit: PFL MMA
- Costello van SteenisCredit: PFL MMA
- Costello van SteenisCredit: PFL MMA
- Costello van Steenis def. Joao Vitor Ramos Dantas—KO (Head Kick) 0:48 R1Credit: PFL MMA
- Costello van Steenis def. Joao Vitor Ramos Dantas—KO (Head Kick) 0:48 R1Credit: PFL MMA
- Costello Van SteenisCredit: Bellator MMA
- Costello Van SteenisCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Costello Van Steenis (15-3) def. Gregory Babene via Von Flue Choke at 2:16 of round twoCredit: Bellator MMA
- Douglas Lima def. Costello van Steenis via Unanimous Decision (29-28, 29-28, 29-28)Credit: Lucas Noonan/Bellator MMA
- Costello van Steenis def. Kamil Oniszczuk via Submission (Brabo Choke) 3:02 R2Credit: Bellator MMA/Lucas Noonan
- Costello van Steenis def. Kamil Oniszczuk via Submission (Brabo Choke) 3:02 R2Credit: Bellator MMA/Lucas Noonan
- Costello van Steenis def. Kamil Oniszczuk via Submission (Brabo Choke) 3:02 R2Credit: Bellator MMA/Lucas Noonan
- Costello van Steenis def. Kamil Oniszczuk via Submission (Brabo Choke) 3:02 R2Credit: Bellator MMA/Lucas Noonan
- Costello van Steenis def. Kamil Oniszczuk via Submission (Brabo Choke) 3:02 R2Credit: Bellator MMA/Lucas Noonan
- Costello van Steenis def. Kamil Oniszczuk via Submission (Brabo Choke) 3:02 R2Credit: Bellator MMA/Lucas Noonan
Costello van Steenis
Credit: PFL MMA