Olympic soccer star Naomi Girma is taking her skills across the pond after signing a record-breaking deal to play four years at the Chelsea Women football club in England, becoming the woman to cross the million-dollar threshold in the sport.

United States defender Naomi Girma has become women’s soccer’s first million-dollar player. The 24-year-old Girma completed her move from San Diego Wave to Chelsea for a reported 900,000 pounds ($1.1 million) on Sunday. Here’s a look at how the record transfer fee (in USD) in the women’s game has increased over the course of the century:

United States defender Naomi Girma has become women’s soccer’s first million-dollar player. Who else is on the list of most expensive transfers?