Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Longford Town | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 Kerry | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Athlone Town | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Wexford Youths | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Finn Harps | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bray Wanderers | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Treaty United | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Galway United | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Cork City | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Waterford United | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 UCD | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Birmingham City U21 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Charlie O'Brien plays as a defender for Queens Park Rangers U21. Charlie O'Brien has made 30 professional appearances. A commanding presence at the back, Charlie O'Brien has made 30 career appearances, contributing 0 goals from defensive positions.
