Jerónimo Gómez Mattar is a professional footballer from ARG and is currently 18 years old. He is on the books of Club Atlético Newell's Old Boys and wears shirt number 19. His main role on the pitch is Forward. His stronger foot is Right. His estimated market valuation currently stands at 2M €.

His latest transfer saw him join Club Atlético Newell's Old Boys from Club Atlético Newell's Old Boys II via on 2025-07-01.

During the Argentine Division 1 2026 campaign, Jerónimo Gómez Mattar made 8 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 4 shots, with 1 on target.