Karl Alzner, Canadian ice hockey player

Karl Alexander Alzner (born September 24, 1988) is a Canadian professional ice hockey defenceman who is currently an unrestricted free agent. He has previously played for the Washington Capitals and Montreal Canadiens. Alzner was drafted in the first round, fifth overall, by the Capitals in the 2007 NHL Entry Draft.

A standout in junior with the Calgary Hitmen of the WHL, Alzner won two World Junior Hockey Championship gold medals with Team Canada 2007 and 2008 (as the captain). Alzner was named the Western Hockey League (WHL)'s top player and Canadian Hockey League (CHL)'s top defenceman in 2008. He won back to back Calder Cups and won the Presidents' Trophy in 2016 and 2017 with the Capitals.