Mia Hamm expects the 'most challenging World Cup ever' this summer Unknown 00:26 The USWNT will enter as the defending champions after defeating Japan, 5-2, in the 2015 World Cup. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsNFL Draft 2019: Is Daniel Jones another Peyton Manning? NFL personnel guru thinks soNBA Playoffs 2019: Joel Embiid's Warriors joke made Jimmy Butler quit press conferenceNHL playoffs 2019: Jaden Schwartz pushes Blues to next round with historic goal, hat trickDave Allen scores knockout over Lucas Brown with savage kidney punchDanny Garcia fires on all cylinders, scores seventh-round knockout of Adrian GranadosNHL playoffs 2019: Braden Holtby talks Capitals' statement win