Japanese defensive midfielder Satoshi Tanaka, 23, is under contract with Fortuna Düsseldorf until 2030, and this deal contains a release clause of ten million euros. However, a higher fee of twelve million euros is stipulated for Premier League clubs and certain top teams. The Bundesliga clubs for which this increased amount would be due are Bayer Leverkusen, FC Bayern, Borussia Dortmund, VfB Stuttgart, Eintracht Frankfurt, and RB Leipzig. Tanaka's performances have attracted attention from larger clubs. The Japan international (1 cap) joined Fortuna in January 2026 from Sanfrecce Hiroshima for a fee reported to be between €900,000 and €1,000,000, and has made 8 appearances, providing 1 assist, in the 2. Bundesliga this season. According to Transfermarkt, his current market value is €1.50m.