Career
He was drafted by the Los Angeles Kings in the 4th round (116th overall) of the 2001 National Hockey League Entry Draft. Petiot was drafted in 2001, by the Los Angeles Kings, from the Camrose Kodiaks of the AJHL before playing four years of collegiate hockey with Colorado College. Petiot signed a two-year contract with the Kings after his senior year with the Tigers on August 11, 2005.
Petiot made his professional debut in the 2005-2006 season, playing mostly with Kings affiliate, the Manchester Monarchs.
Petiot spent the next two injury-hit seasons with the Monarchs before signing as a free agent for the Toronto Maple Leafs on July 15, 2008. In the 2008-2009 season, Petiot was assigned to the Maple Leafs affiliate, the Toronto Marlies, before he was dealt by Toronto to the Tampa Bay Lightning for Olaf Kolzig, Andy Rogers, Jamie Heward and a fourth round selection on March 4, 2009.
On July 9, 2009 he was signed as a free agent by the Chicago Blackhawks. On July 2, 2010, he was signed as a free agent with the Edmonton Oilers to a one-year contract.
During the 2010-2011 season, Petiot was called up from the Oklahoma City Barons to replace an injured Theo Peckham on March 1, 2011.
On July 2, 2011, Petiot was signed by former team, Tampa Bay, to a one-year, two-way contract. Petiot was limited to only 6 games during the 2011-2012 season with affiliate, the Norfolk Admirals, due to injury. With the National Hockey League lockout affecting his status as a free agent, Petiot waiting till the conclusion of the dispute before signing to a professional try-out contract with the Saint John"s IceCaps of the AHL on January 9, 2013.