The first period was scoreless .
The Canadians used the period to intimidate the Soviets with hard body checking , especially from Cashman , Bergman , Peter Mahovlich and Parise , to throw the Soviets off their game .
The first period was scoreless , but the Canadians used the period to intimidate the Soviets with hard body checking , especially from Cashman , Bergman , Peter Mahovlich and Parise , to throw the Soviets off their game .