Since the Women's World Cup draw last December, the U.S. women and France have been on a collision course to clash in Friday's quarterfinals (9 p.m. local time, 3 p.m. ET). It's the defending World Cup champ against the host, the No. 1 team in the world versus the co-favorite to win it all.
So what are the X factors and key players that will most impact their match at Parc des Princes in Paris? ESPN UK's Tom Hamilton, ESPN FC's Julien Laurens, ESPN Brasil's Natalie Gedra and ESPN's Sam Borden, Graham Hays, Julie Foudy and Alyssa Roenigk -- all of whom are on the ground in France -- tackle the tough questions.