Career
He played for the Chicago Cougars, Denver Spurs, Ottawa Civics, Houston Aeros and Phoenix Roadrunners. He is the younger brother of former National Hockey League player Poul Popiel. Popiel was drafted 10th overall in the 1964 National Hockey League Entry Draft by the Chicago Black Hawks making him the highest drafted Danish-born player in National Hockey League history until Mikkel Bødker was drafted in 2008 as number 8.
Popiel, however, was raised in Canada (his family moved to Street Catharines, Ontario in 1951 when he was a child ) and is a Canadian citizen.