lionel messi made his american team debut, and the u.s. women s team had their first world cup game both delivered in spectacular fashion. molly hunter has it all for us from the world cup in new zealand. off we go usa versus vietnam reporter: the defending world cup champions gave their fans what they traveled all the way to new zealand for, meeting world cup newcomers 3-0 in their first match. goal! usa! reporter: which was dominated by world cup rookie 22-year-old sophia smith. first of what we all feel will be many world cup goals. reporter: the player of the match smashing in two goals in the first half. what a day for sophia smith. reporter: the crowd going wild. de mellow is out. rapinoe in reporter: when megan rapinoe sprinted in in the second half, her final world cup. very special knowing this will be my last with this incredible team.