After playing at Kansas State, Roberson signed with the Montreal Alouettes in May, 2005. Roberson dressed for all 18 games in 2005, but didn't see any game action.
| Year | Team | GP | PA | PC | % | Yds | TD | Int | Sacked | Yds | TC | Yds | Avg | Avg | TD |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | MON | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |