|Date of birth||April 16, 1981|
|Place of birth||Plaster Rock, New Brunswick|
|Height||6 ft 1 in (185 cm)|
|Weight||205 lb (93 kg)|
|CFL draft||2005 / Round: 1 / Pick: 5|
|Drafted by||Montreal Alouettes|
|Career highlights and awards|
|CFL East All-Star||2009|
Proulx was born in Plaster Rock, New Brunswick,but his family relocated to Gatineau. He began Canadian football as a sport to play in between baseball and skiing and had to travel to Gloucester, Ontario, to play at the midget level at age 18. To play football at CEGEP level, Proulx had to go to Montreal and played for Collège André-Grasset.
Proulx attended Université Laval, majoring in law, and played for the Rouge-et-Or from 2001 to 2004. Over 18 games between 2002 and 2004, he intercepted five passes for 74 yards and a touchdown, scored two touchdowns on punt returns, and recorded 54 tackles, six sacks, seven pass knockdowns, and two forced fumbles. He won back-to-back Vanier Cups with Laval in 2003 and 2004 and was awarded the Bruce Coulter Award as the most outstanding defensive player in the 2004 Vanier Cup.
2008 CFL season may be considered his breakthrough season, however. He had been scheduled to start at safety but suffered a hamstring injury at the beginning of the season. Nevertheless, he recovered to dress for 11 games, including five starts, and has moved ahead of Étienne Boulay on the depth chart.
- Zurkowsky, Herb (2008-11-20). "Winning CFL title 'would be huge,' Proulx says". Montreal Gazette. Retrieved 2008-11-21.
- "Matthieu Proulx". Rosters. Canadian Football League. Retrieved 2008-11-21.
- Matthieu Proulx at cfl.ca