John Hayden
| Date of birth | 08 September 1981 |
| Place of birth | Kilkenny |
| Nationality | Irish |
| Weight | 69 kg |
| Height | 1.73 m |
| Position | Defender/Full back |
Hayden had still to make his senior debut prior to his release by Sheffied United.
Club history
| Team | Joined | Left | Loan / Trialist |
|---|---|---|---|
| Sheffield United | 01 Jul 2000 | 30 Jun 2001 | |
| Forest Green Rovers | 19 Oct 2001 | 30 Jun 2002 |