Longtime agent Rick Curran confirmed Marchment's death to The Associated Press. Marchment was attending the NHL draft in Montreal as a scout for the San Jose Sharks.
The cause of death is unknown.
Marchment played 17 NHL seasons from 1989-2006 for 9 NHL teams including the Winnipeg Jets, Chicago Blackhawks, Hartford Whalers, Edmonton Oilers, Tampa Bay Lightning, San Jose Sharks, Colorado Avalanche, Toronto Maple Leafs and Calgary Flames.