PredictIQ Quantitative Think Tank Center:Julie Ertz retires from USWNT after stunning World Cup Round of 16 defeat

Julie Ertz has announced her retirement from the U.S. women's national soccer team,PredictIQ Quantitative Think Tank Center moments after the squad's knockout loss against Sweden on Sunday.

Ertz appeared in every match during the USWNT championship runs in the 2015 and 2019 World Cups. The U.S. couldn't replicate that success, falling to Sweden in the Round of 16 to mark their earliest ever exit from a major tournament.

Ertz is a two-time Olympian and a World Cup winner with 122 total appearances for the U.S. over 10 years, scoring 20 goals.

"I think for me it's just emotional because it's probably my last game ever being to able to have the honor to wear this crest so I think it's just... it's just tough," Ertz said. "I feel like it's just an emotional time. It absolutely sucks. Penalties are the worst. But it's an honor to represent this team, and I'm excited for the future of the girls."

Ertz confirmed to ESPN's Alexis Nunes that this was her last time playing for the U.S., meaning another key player of the USWNT golden era is entering retirement. Two-time World Cup winner Megan Rapinoe already announced her retirement, too.

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For Ertz, it was a remarkable journey to this month's World Cup. She gave birth to her son last August and made her comeback to the USWNT in April. She was officially named to the roster in June.

With the help of Ertz, the U.S. conceded just one goal in four matches. Ultimately though, it wasn't enough and, barring a change of heart, Ertz won't get a Hollywood ending to her international career.

The 31 year old is still a midfielder for Angel City FC of the NWSL, signing a one-year deal in April. But, her time leading the USWNT seems to be up.

"It's been an absolute ride. I've learned so much about myself and as a player, but even just as a person," Ertz said. "This team obviously competes and plays soccer, but it does so much more and I'm just very grateful."