Facundo Valentín Jainikoski is a professional footballer from ARG and is currently 19 years old. He is on the books of Argentinos Juniors and wears shirt number 48. His main role on the pitch is Forward. His estimated market valuation currently stands at 1.2M €.

His latest transfer saw him join Argentinos Juniors from AA Argentinos Juniors II via on 2026-01-01.

During the Argentine Division 1 2026 campaign, Facundo Valentín Jainikoski made 6 appearances, scoring 0 goals and adding 1 assists. He averaged 0 goals per match from 8 shots, with 2 on target.