Július Sauer, the father and agent of 20-year-old Slovakian winger Leo Sauer, stated that Feyenoord has started negotiations about a contract extension with Leo Sauer. Július Sauer said that the management sees his progress and has started negotiations about a contract extension. He also said that there is a lot of interest from other clubs, so they want to secure him for a longer period. Sauer has 10 international caps for Slovakia and, in the current Eredivisie season, has 2 goals and 2 assists in 16 appearances. AS Roma has been linked with the player. In January 2026, reports indicated that Feyenoord's asking price was over €15 million. His current Transfermarkt market value is €7.00m.