The Dallas Stars cruised to a big win over the Colorado Avalanche in Game Four of the NHL Western Conference semifinals. Dallas defeated Colorado 5-1 at Ball Arena. Wyatt Johnston put Dallas on the board with a shorthanded goal late in the first period before lighting the lamp on the power play early in the second. Evgenii Dadonov, Miro Heiskanen and Sam Steel also scored in the team's third straight win. Jake Oettinger made 24 saves in net as the Stars took a 3-1 series lead. Game Five will be played tomorrow night at the American Airlines Center.