See Key for column definitions.
| Team | Competition | Starts | Subs | Subbed | Total | Mins | MPG | Rating |
| Montreal | Leagues Cup | 2 | 1 | 0 | 3 | 125 | 41.7 | 7.10 |
| Montreal | Canadian Championship | 1 | 0 | 0 | 1 | 90 | 90.0 | 7.10 |
| Montreal | MLS | 31 | 3 | 9 | 34 | 2,729 | 80.3 | 6.69 |
| Totals | | 34 | 4 | 9 | 38 | 2,944 | 77.5 | 6.72 |
Key to column names
See Key for column definitions.
| Team | Competition | Appearances | Goals | GPG | MPG | Assists | Shots | On T | Off T | SPG | Dribbles | Passes | Acc | Fouled |
| Montreal | Leagues Cup | 3 | 0 | | | 0 | 1 | 1 | 0 | N/A | 5 | 59 | | 0 |
| Montreal | Canadian Championship | 1 | 0 | | | 0 | 0 | 0 | 0 | N/A | 0 | | | 0 |
| Montreal | MLS | 34 | 2 | 17.0 | 1365 | 4 | 9 | 4 | 5 | 4.5 | 41 | 1,242 | | 10 |
| Totals | | 38 | 2 | | | 4 | 10 | 5 | 5 | 5 | 46 | 1301 | 0 | 10 |
Key to column names
- GPG
- Goals per game
- MPG
- Minutes per goal
- SPG
- Shots per goal
- On T
- Shots on Target
- Off T
- Shots off Target
- Acc
- Accurate passes
| Team |
Competition |
Appearances |
Conceded | Saves | Tackles | Blocks | Interceptions | Duels Won | Duels Lost | Fouls Committed |
| Montreal | Leagues Cup | 3 | 0 | | 2 | 0 | 1 | 5 | 2 | 0 |
| Montreal | Canadian Championship | 1 | | | 0 | 0 | 0 | 0 | 0 | 0 |
| Montreal | MLS | 34 | 0 | | 37 | 4 | 22 | 82 | 88 | 10 |
| Totals | | 38 | 0 | 0 | 39 | 4 | 23 | 87 | 90 | 10 |
The total yellow and red cards received by L. Petrasso in each competition are shown below.