NHL.com. The cause was electrocution, according to mlive.com.
Rufenach was drafted in the seventh round by the Detroit Red Wings in 2007, just before he enrolled at Clarkson after playing junior hockey with Lindsay (OPJHL). In four seasons in Potsdam, Rufenach tallied 21 goals and 34 assists for 55 points to go with 121 penalty minutes in 136 games.
His best campaign with the Golden Knights came in 2009-10, when he notched 5-15—20 points. As a freshman, he helped Clarkson to the ECAC regular-season title, along with its last NCAA Tournament berth to date.
A native of Barrie, Ont., the six-foot, 192-pound blueliner turned pro with Toledo (ECHL) in 2010-11, collecting a goal and an assist in six games. Rufenach, 23, split last season between Toledo and Grand Rapids (AHL), recording 13-22—25 points and 45 PIM in all.
"The entire team's thoughts and prayers are with Bryan's family as they get through this difficult time," said Toledo head coach Nick Vitucci. "Bryan was a great teammate and would play any role asked of him."