John Osullivan - Transfers
John O'Sullivan
| - | Drogheda | Shamrock Rovers | Return from loan | |
| - |
Drogheda |
| Loan |
| - | Bray | Shamrock Rovers | Return from loan |
| - | Shamrock Rovers | Bray | Loan |
J. O'Sullivan transfer history tracks all club moves during the professional career, including transfer dates and teams involved.