| 10 | PG Fulton | 2012/13 |
| 9 | HM Nicholls | 2014/15 |
| 8 | GR Stead | 2000/01 |
| 8 | CZ Harris | 2001/02 |
| 8 | MHW Papps | 2006/07 |
| 8 | JG Myburgh | 2007/08 |
| 8 | MHW Papps | 2009/10 |
| 8 | DG Brownlie | 2013/14 |
| 7 | PE McEwan | 1983/84 |
| 7 | PE McEwan | 1988/89 |
| 7 | RT Latham | 1988/89 |
| 7 | PE McEwan | 1989/90 |
| 7 | JG Myburgh | 2008/09 |
| 7 | TWM Latham | 2013/14 |
| 7 | AM Ellis | 2014/15 |