T he winter transfer window has been unexpectedly busy in the women's game, especially as a flurry of U.S. women's national team players swap the NWSL for teams in Europe. Naomi G

Naomi Girma has completed a history-making transfer from the San Diego Wave to Chelsea. The U.S. women's national team defender has become the first women's soccer player to ever fetch more than $1 million in a transfer, with multiple reports saying Girma moved to London for a $1.1 million fee.

U.S. women's national team defender Naomi Girma became the most expensive transfer in women's soccer after penning a deal with English club Chelsea.