Bruno St-Jacques was born August 22, 1980 in Montreal, Quebec. The 9th round choice, 253rd overall selection of the Philadelphia Flyers in the 1998 NHL Entry Draft, St-Jacques is a graduate of the Quebec Major Junior Hockey League's Baie-Comeau Drakkar.
The defenseman from Montreal, Quebec played three seasons in the QMJHL with the Drakkar where he registered 22 goals and 78 assists for 100 points and 511 penalty minutes.
Following the Drakkar's 1999-2000 season, St-Jacques was assigned to the Flyers AHL affiliate Philadelphia Phantoms where he played in three regular season games and one playoff game before joining the Phantoms on a full time basis in 2000-01. In his first full season with the Phantoms, St-Jacques played in 45 regular season games and finished with 17 points.
The Phantoms Most Consistent Player Award winner in 2001-02, St-Jacques strong play during the season caught the eye of the Flyers brass and earned him seven games with the parent club. The 2002-03 season saw St-Jacques start off splitting time between the Phantoms and the Flyers before being traded to the Carolina Hurricanes organization following the 2003 NHL All-Star Game.
Prior to the start of the 2005-06 NHL season, the Hurricanes dealt St. Jacques to the Anaheim Mighty Ducks. He went on to compete in a pair of sesaon's with the Ducks' AHL affilate in Portland before he was dealt to Chicago with Pierre Parenteau for Sebastien Caron, Matt Keith and Chris Durno, December 28, 2006.
As a member of the Blackhawks, St. Jaques would spend the majority of his time with the club's AHL affiliate in Norfolk. After being acquired by the Columbus Blue Jackets in November 2007, St. Jacques was traded to the Anaheim Ducks with teammate Geoff Platt for Aaron Rome and Clay Wilson.