Darren O’Brien vs Shane Mullen - Cage Legacy 9
Dee Prior vs Darren O'Brien - Cage Legacy 11
Shane Mullen vs Ulrik Vangsvik - Clan Wars 45
Darren O'Brien vs David McArdle - Deliverance
Ronan Deegan vs Darren O’Brien - Cage Legacy 13
CSL5 | Fight 5 | James "Lil Trips" Trippit VS Shane O'Brien
IÚR FC 1 - Darren O'Brien vs Abnoub Fares
Darren O’Brien vs Liam McDermott - Full Power Fight Night 5
Maksim Zamuraki vs Darren O’Brien - Battle Arena 52: Ireland
Darren O'Brien (Full Power) V Ronan Deegan (SBG Clonmel) - Cage Legacy 13
Full Fight: Darren O’Brien vs Daryl Clarke at Cage Legacy Fight Night Drogheda
Full Fight: Darren O’Brien vs Dylan Kennedy at TEF 1
Darren O'Brien V David McArdle
Free Fight - Darren O’Brien Vs Nathan Duggan at Cage Legacy Kickboxing 5
Damien McKenna vs Shane Mullen - Clan Wars 47
Alex Josan V Shane Mullen
Darren O’Brien v Matiss Zaharovs - Cage Legacy 3
Taka Mhandu vs Shane Mullen - Clan Wars 35
Darren O’Brien V Paddy Moran – Lightweight MMA
Ross Boyle vs Shane Mullen - Cage Legacy Kickboxing 1