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:

Chelsea's Naomi Girma has become the first $1m transfer in women's football, so here is the evolution of the transfer record from the past few decades.

Chelsea have once again broken the women’s soccer transfer record, this time paying the first-ever seven-digit sum to sign defender Naomi Girma.

TNT Sports expert Karen Carney has hailed Chelsea’s new world-record signing Naomi Girma as "an outstanding talent" and "the best defender in the world".

United States women's national team defender Naomi Girma has joined Women's Super League champions Chelsea for a world record transfer fee of over $1 million.

Arsenal held out for 84 minutes but unbeaten Chelsea made it 11 wins from 12 games to take a nine-point lead in the WSL. Oh, and they just signed the world's best defender.

Chelsea are rumoured to be closing in on a world record transfer for San Diego Wave defender Naomi Girma. The 24-year-old has been hailed by former Blues boss Emma Hayes as the best defender she’s ever seen,

Now, one of the best defenders in the world has found a unique way to make her case, with Naomi Girma set to make the first million-dollar transfer in women’s soccer history. On Tuesday, the San Diego Wave and England’s Chelsea agreed to terms for the $1.

The January transfer window is now open, but what are our reporters hearing about deals that could be done? Get the latest every Friday.

The deal gives Chelsea two of the very best center backs on the planet with Girma and Millie Bright, sending the USWNT defender to the former home of her national team coach Emma Hayes.

The exact fee the Women’s Super League side will pay San Diego Wave is understood to be $1.1 million (£890,000) – a record transfer for women’s football, surpassing the £685,000 Bay FC paid for Zambia forward Racheal Kundananji last year.

Naomi Girma battles for possession with Mexico ... English sides have often trailed behind the likes of Lyon and Barcelona when it comes to wages, but Chelsea are undoubtedly now in the same ...