Ranking History For Michael Duffy
Start position
Finish position
(NR) Not ranked
| Season | Start position | Finish position | |
|---|---|---|---|
| 1993-1994 | 231 | ||
| 1994-1995 | 231 | 169 | |
| 1995-1996 | 169 | 135 | |
| 1996-1997 | 135 | 136 | |
| 1997-1998 (NR) | |||
| 1998-1999 | 157 | 239 |
| Season | Start position | Finish position | |
|---|---|---|---|
| 1993-1994 | 231 | ||
| 1994-1995 | 231 | 169 | |
| 1995-1996 | 169 | 135 | |
| 1996-1997 | 135 | 136 | |
| 1997-1998 (NR) | |||
| 1998-1999 | 157 | 239 |