FSV Mainz 05 has signed 20-year-old Finnish player Otto Ruoppi from KuPS. Ruoppi is scheduled to join the Bundesliga club in the summer. The German club confirmed the transfer. Ruoppi had previously been a target for AGF. Mainz's sporting director, Niko Bungert, expressed excitement and described Ruoppi as a promising, secure, and goal-scoring offensive midfielder who is eager to showcase his qualities from next summer. Ruoppi has 5 caps and 3 goals for the Finland U21 national team. Transfermarkt lists his current market value as €600k.