EDMONTON — He's played just six NHL playoff games, but Arturs Silovs is already earning a reputation for stepping up in big moments. The Vancouver Canucks' rookie goalie put in another impressive performance on Sunday, making 42 saves and backstopping his team to a 4-3 win over the Edmonton Oilers in second-round playoff action. The victory gave Vancouver a 2-1 edge in the best-of-seven matchup. "The kid has given us game," Canucks head coach Rick Tocchet said of the netminder. "It’s a big stage