[4] He moved up to the Ontario Hockey League (OHL) the following season and, through a four-year major junior career with the North Bay Centennials, Erie Otters and Peterborough Petes, scored 174 points and 429 penalty minutes in 251 games.

[5] Despite his play in the OHL, Montador went unselected in the NHL Entry Draft, and ended his junior career as a free agent.

[4] He earned his first recall to Calgary early in the season and made his NHL debut on November 23, 2001 – and recorded his first point with an assist – against the Buffalo Sabres.

[5] Montador's first NHL goal came on January 8, 2002, against goaltender Garth Snow in a 5–2 victory over the New York Islanders, and he also played with Team Canada at the 2001 Spengler Cup.

[5] Injuries to defencemen Toni Lydman and Denis Gauthier created an opportunity for Montador to enter the lineup as a regular for most of the Flames' 2004 Stanley Cup playoff run.

[1] Montador and fellow extra defenceman Mike Commodore were nicknamed "the Doors" and both became key contributors to the Flames' post-season success.

[10] Montador became a playoff hero for the team after he scored the overtime winning goal in game one of the Western Conference Final against the San Jose Sharks.

[15] His stay in Anaheim was short lived as, after recording 20 points in 65 games for the team, the Ducks traded Montador on March 4, 2009, to the Boston Bruins in exchange for Petteri Nokelainen.

[4] However, his play declined late in the season, and he was ultimately left out of the lineup as a healthy scratch for Buffalo's deciding game seven (a loss) to the Philadelphia Flyers; Consequently, the team opted not to re-sign Montador and traded his rights to the Chicago Blackhawks on June 28, 2011, for a seventh round selection in the 2011 NHL Entry Draft.

[4] Off the ice, Montador was a supporter of the Right to Play charity and took trips to Africa to work with children as part of the organization's events.

[21] Montador spoke openly of the depression he suffered following his concussion issues in Chicago,[22] and according to his brother Chris, had spent a great deal of time researching the effects of head injuries.

Carcillo noted that he witnessed Montador's mental state slowly deteriorate before his death and called upon the NHL community to establish a formal exit-procedure for players having post-concussion syndrome.