Stats For Middlesbrough FC Player John Mahoney
| Country: | Wales |
| Position:: | Midfielder |
| Played: | 91 |
| Sub: | 0 |
| Goals: | 2 |
| Yellow Cards: | 0 |
| Red Cards: | 0 |
Stats By Season
| Season | Appearances | Goals | Yellows | Reds |
| 1978-1979 | 44 | 0 | 0 | 0 |
| 1977-1978 | 47 | 2 | 0 | 0 |
Goals
| Date | Team | Goals | |
| 1/28/1978 | Everton | 1 | Info |
| 2/25/1978 | Derby County | 1 | Info |