Gabriel Slonina

Chelsea On August 2, 2022, Slonina signed for Premier League club Chelsea for a transfer fee of $10 million, potentially rising to $11 million with add-ons. Slonina made his debut in a Chelsea shirt for the under-21 team in a Professional Development League match versus Wolverhampton Wanderers Development Squad on January 13, 2023.

Loan to Eupen On August 10, 2023, Slonina agreed to join Belgian side K.A.S. Eupen on a season-long loan. On October 28, Slonina recorded his first clean sheet for Eupen in a 2–0 win over Sporting Charleroi. Slonina was Eupen's main goalkeeper for the season, which ended in relegation.

Loan to Barnsley On August 9, 2024, Slonina joined League One club Barnsley on a season-long loan deal. However, the loan was terminated on January 1, 2025, due to injury.

Club World Cup Slonina was a part of the Chelsea squad for the 2025 FIFA Club World Cup, held in the United States. While he did not play in the tournament, he was among those to receive a gold medal when Chelsea won the championship.

International career Born in the United States, he is of Polish descent and was eligible to represent the United States or Poland internationally.

Slonina has represented the United States at the under-15, under-16, under-17, and under-20 levels. Slonina was called into camp for the United States senior team in December 2021 but did not feature in a match. On January 21, 2022, Slonina was called into a World Cup Qualifying camp with the United States senior team but again did not feature in a match. On May 17, he was called up to the Polish senior team by coach Czesław Michniewicz for their upcoming Nations League fixtures against Wales, Belgium and the Netherlands. Three days later, Slonina rejected the call-up and declared his wish to represent United States on international level. On January 25, 2023, Slonina became the youngest-ever goalkeeper to play for the United States senior team, making several saves in a 2–1 loss to Serbia.

Slonina was the starting goalkeeper for the United States at the 2023 FIFA U-20 World Cup and posted four consecutive clean sheets as the Americans advanced to the quarterfinals. The only two goals Slonina allowed in the tournament, including one deflected past him by a teammate, came in a 2–0 quarterfinal loss to eventual champions Uruguay.

Career statistics Club

International

Honors Chelsea FIFA Club World Cup: 2025

United States CONCACAF Nations League: 2023–24