Mangold was originally drafted by the Saskatchewan Roughriders in the second round (tenth overall) in the 1988 CFL College draft. Mangold signed as a free agent with Toronto in March of 1989.
| Year | Team | GP | TC | Yds | Avg | Avg | TD | Rec | Yds | Avg | TD | Long |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1989 | TOR | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Year | Team | FR | Yds | Avg | TD | Long | OFR | FF |
|---|---|---|---|---|---|---|---|---|
| 1989 | TOR | 1 | 0 | 0 | 0 | 0 | 0 |
