Dupin was a third round draft pick of the Ottawa Rough Riders in 1984. He was released in September, 1985, partway through his second season. Winnipeg signed Dupin in April of 1986, but he did not play any regular season games for the Bombers.
| Year | Team | GP |
|---|---|---|
| 1984 | OTT | 14 |
| 1985 | OTT | 4 |