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. Who else is on the list of most expensive transfers?

You would be forgiven while watching Chelsea beat Arsenal 1-0 on Sunday for wondering why the reigning five-time Women’s Super League champions needed Naomi Girma. The world-record $1.1million (£900,000) signing was announced on the Stamford Bridge pitch before kick-off and then watched her new side effectively wrap up the title with 10 games remaining.

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.