Brian White, Ryan Gauld help Whitecaps steamroll Sounders 5-1

VANCOUVER, British Columbia (AP) — Brian White scored two goals, Ryan Gauld finished with a goal and two assists and the Vancouver Whitecaps cruised to a 5-1 victory over the Seattle Sounders on Sunday.Vancouver (18-8-7) entered having already clinched first place in the Western Conference after Saturday's results before completing a season sweep of Seattle (11-12-10) with its largest margin…