Ex-St Kilda Thirds. The son of Jim O'Brien, he played for his father's club St Kilda in the under-19s before crossing to Collingwood. He was a forward capable of brilliance, but lacking in consistency.
| Season played | Games | Goals | Finals | Win % |
|---|---|---|---|---|
| 1985 | 1 | 0 | 0 | 0.0% |
| Season | GP | GL | B | K | H | T | D | Guernsey No. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Team | League | Years Played | Games | Goals |
|---|---|---|---|---|
| Collingwood | Reserves | 1985 - 1986 | 13 | 11 |
| Collingwood | U19s | 1985 | 13 | 21 |
| Team | League | Years Played | Games | Goals |
|---|---|---|---|---|
| Brisbane Bears | VFL/AFL | 1987 - 1991 | 44 | 65 |