Otto Ruoppi is a midfielder who plays for Mainz 05 in the Bundesliga. He was born in Kuopio, Finland on 31 January 2006.
His senior career started at KuFu-98 in 2021, and he went on to play for KuPS Akatemia, KuPS and MP. Mainz 05 signed him in 2025.
Ruoppi’s senior club career, which began in 2022, has so far brought 168 appearances and 26 goals for 4 clubs. The 2025 season, with 9 goals from 58 matches for KuPS, remains his highest tally. So far in 2026/27 he has made 4 appearances for Mainz 05. The full season-by-season record is in the Stats section of this profile.