Mario Pacenti was born in Hamilton and played junior football in Brantford. Pacenti played one year with the Montreal Alouettes in 1951, and then returned to the CFL with Toronto in 1955. Pacenti was a tackle, but also filled in as a punter for the Argos. Mario Pacenti passed away on July 27, 2004.
| Year | Team | GP | P | Yds | Avg | Long | S |
|---|---|---|---|---|---|---|---|
| 1951 | MON | 11 | 0 | 0 | 0 | 0 | 0 |
| 1955 | TOR | 12 | 367 | 30.6 | 41 | 0 |
The games played stats for 1951 are unofficial and come from the 2005 Montreal Media Guide.