Chelsea on Friday confirmed that their goalkeeper, Gabriel Slonina has left Stamford Bridge to join League One side, Barnsley for the 2024/25 campaign. In a statement on their website, the Premier League west London club also wished Slonina good luck as he continues his development at Barnsley. “Chelsea goalkeeper Gabriel Slonina has joined League One side Barnsley for the 2024/25 campaign,” the Blues’ statement read. “Good luck, Gaga!” Slonina, 20, joined Chelsea in August 2022 but remained at Chicago Fire on loan until the end of their MLS season. The United States international spent the se…