According to Sportske Novosti, Basel has shown interest in Karlo Letica. Karlo Letica mentioned that some offers exist and that everything is possible regarding a potential move, but he provided no additional details.

FC Basel is seeking a replacement for goalkeeper Marwin Hitz and has identified two Super League keepers as potential candidates, one of whom is 29-year-old Karlo Letica from Lausanne. The Croatian's contract will expire in the summer, and he does not intend to remain with the club. In the current Super League season, Letica has made 26 appearances.