NHL roundup: Blues blast Kings behind David Perron's hat trick

David Perron scored his sixth career hat trick and added an assist as the St. Louis Blues won their home opener 7-3 over the Los Angeles Kings.

Ivan Barbashev, Jake Neighbours, Ryan O'Reilly and James Neal also scored for the Blues, who have started the season 4-0 while outscoring their opponents22-11. St. Louis has scored five or more goals in three of their four victories.

Torey Krug earned three assists, and Brayden