| Name | Nicholas O`Brien |
| Date of birth | Unknown |
| Nationality | Australian |
| Position | Right winger |
| More info | Unavailable |
| Team | Appearances | Goals | Yellow cards | Red cards |
| Blacktown City* | 2 | 0 | 1 | 0 |
| Match Type | Appearances | Goals | Yellow cards | Red cards |
| FFA Cup | 2 | 0 | 1 | 0 |
| Statistic | Margin | Matches |
| Biggest win | N/A | |
| Biggest loss | 1 goal | 13/11/2021 Blacktown City (NSW) 0-1 Central Coast Mariners (Cup) |
| 31/07/2024 Blacktown City (NSW) 2-3 Adelaide United after extra time (Cup) |
| # | Player | Appearances on the same team | Team(s) |
| 1. | Mario Shabow | 2 | Blacktown City |
| Tristian Prendergast | 2 | Blacktown City | |
| Grant Lynch | 2 | Blacktown City | |
| Lachlan Campbell | 2 | Blacktown City | |
| 5. | Ben Berry | 1 | Blacktown City |
| Carlos De Oliveira | 1 | Blacktown City | |
| Jak O`Brien | 1 | Blacktown City | |
| Jackson Bandiera | 1 | Blacktown City | |
| Dakota Askew | 1 | Blacktown City | |
| Tyren Burnie | 1 | Blacktown City | |
| Jacob Maniti | 1 | Blacktown City | |
| Reuben Awaritefe | 1 | Blacktown City | |
| Jordan Smylie | 1 | Blacktown City | |
| Martin Fernandez | 1 | Blacktown City | |
| Adam Berry | 1 | Blacktown City | |
| Jake Trew | 1 | Blacktown City | |
| Charles Mendy | 1 | Blacktown City | |
| Matthew Lewis | 1 | Blacktown City | |
| Mitchell Mallia | 1 | Blacktown City | |
| Joey Gibbs | 1 | Blacktown City | |
| Danny Choi | 1 | Blacktown City | |
| Travis Major | 1 | Blacktown City |
| Team | Date | Match Type | Result | Goals | Bookings | On | Off | Notes |
| Blacktown City* | 13/11/2021 | FFA Cup | Blacktown City (NSW) 0-1 Central Coast Mariners | Kick off | 74' | |||
| 31/07/2024 | FFA Cup | Blacktown City (NSW) 2-3 Adelaide United after extra time |  | Kick off | Full time |