Mackall was a ninth round draft pick of the Indianapolis Colts of the NFL in 1989. Mackall was released in training camp by the Colts and signed as a free agent with Winnipeg in August of 1989. He played ten games for hte Bombers, seeing action mainly as a kick returner.
| Team | Year | GP | Rec | Yds | Avg | Long | TD |
|---|---|---|---|---|---|---|---|
| WPG | 1989 | 10 | 5 | 47 | 9.4 | 12 | 0 |
| Year | Team | KOR | Yds | Avg | TD | Long | PR | Yds | Avg | TD | Long | MFGRet | Avg | TD | Long |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1989 | WPG | 16 | 344 | 21.5 | 0 | 34 | 36 | 295 | 8.2 | 0 | 34 | 2 | 74 | 0 | 75 |