(Everett, WA)  --  The Portland Winterhawks defeated the Everett Silvertips 4-1 in preseason action to remain undefeated in exhibition play.  After allowing a goal in the second period, the 'Hawks scored four unanswered to improve to 3-and-0.  The Hawks will continue preseason play with three games this week in Kennewick, Washington, beginning Thursday.  The regular season begins September 24th.