He would never play a game for the Anaheim Ducks in the NHL, and was traded to the Boston Bruins in 2010 for a conditional fourth-round pick.
Kampfer was selected by the Anaheim Ducks of the National Hockey League (NHL) in the fourth round, 93rd overall, of the 2007 NHL entry draft. On March 2, 2010, the Ducks traded the rights to Kampfer to the Boston Bruins in exchange for a conditional fourth-round draft pick.
Kampfer would go on to play for the Bruins for parts of two seasons, but during the 2011-12 season was traded once again.