 Fällström's tenure with the Wild was brief as his rights were traded along with Craig Weller, and a second round pick in 2011 to the Boston Bruins in exchange for Chuck Kobasew on October 18, 2009.He was later signed to a two-year entry-level contract with the Boston Bruins on March 17, 2013.Fällström played parts of three seasons for Boston's affiliate, the Providence Bruins in the American Hockey League.