In case you needed any further motivation to cheer on the Americans in Tuesday night's pivotal World Cup match against Nigeria, check out former USWNT legend Mia Hamm leading U.S. fans in the "I Believe..." cheer.
American fans of all ages packed Vancouver's Commodore Ballroom on Monday night in support of the U.S., who won its first game against Australia 3–1 on the back of two Megan Rapinoe goals.
The U.S. followed up the win with a 0–0 draw on Friday.
With a win on Tuesday night against Nigeria, the Americans would win Group D and advance to the Round of 16.
A loss or a tie and it's a less clear what the USWNT's fate will be. That's why American fans have to believe in a win, right?