Career
He played in the National Hockey League (National Hockey League) with the Saint Louis Blues, Edmonton Oilers, Boston Bruins, Florida Panthers, Atlanta Thrashers, and New York Islanders. He is currently in a player development coaching role within the New York Islanders. He was selected in the first round of the 1996 National Hockey League Entry Draft, 14th overall, by the Saint Louis Blues.
He skated alongside the British Columbia legends Andy Powers and Brian Gionta.
Reasoner split 1998–2001 between the Blues and their top minor-league affiliate, the Worcester IceCats. In 2003, he was voted a starter on the IceCats" tenth-anniversary All-Time Team.
Reasoner was traded on July 1, 2001, to the Edmonton Oilers, along with Jochen Hecht and January Horacek in exchange for Oilers" captain Doug Weight and Michel Riesen. In November 2003, Reasoner suffered a severe knee injury when he crashed into the end boards.
During the 2004-2005 National Hockey League lockout, Reasoner played 11 games for European Commission Red Bulletin Salzburg of the Austrian League.
On August 9, 2005, Reasoner and the Oilers came to terms on a one-year deal. He was traded from Edmonton to the Boston Bruins on March 9, 2006, along with Yan Stastny and a second-round pick in the 2006 National Hockey League Entry Draft (Milan Lucic) in exchange for Sergei Samsonov, thus missing the incredible playoff run of the Oilers that year. On July 4, 2006, Reasoner signed a two-year contract to return to Edmonton.
After spending two more seasons with the Oilers, Reasoner signed a contract with the Atlanta Thrashers on July 17, 2008.
On June 24, 2010, Reasoner, along with the Thrashers" first (24th overall) and second round picks in the 2010 National Hockey League Entry Draft, Joey Crabb and Jeremy Morin, was traded to the Chicago Blackhawks in a multi-player deal for Dustin Byfuglien, Ben Eager, Brent Sopel, and Akim Aliu. A month later on July 22, 2010, due to salary cap restrictions within the Blackhawks he was again traded to the Florida Panthers for center Jeff Taffe.
After the Florida Panthers traded away captain Bryan McCabe, Reasoner was named assistant captain. Reasoner signed a two-year contract with the New York Islanders on July 1, 2011.