The Montauk Rugby Club’s 7s side, a group, aside from Steve Turza, who’s 35, of hard-charging college-age players, ran roughshod over three other teams at Montauk’s Hank Zebrowski field Saturday in the first of what the young Sharks hope will be a revival of the large 7s tournaments played at East Hampton’s Herrick Park and at the high school in years past.