He is on the books of Gremio Novorizontino and wears shirt number 27. His main role on the pitch is Forward. He measures 182cm in height and weighs 73kg. His stronger foot is Left. His estimated market valuation currently stands at 150K €.

His latest transfer saw him join Esporte Clube Noroeste (SP) from Gremio Novorizontino via Loan on 2026-12-31.

During the Brazilian Serie B 2024 campaign, Diego Mathias made 34 appearances, scoring 3 goals and adding 2 assists. He averaged 0.1 goals per match from 40 shots, with 14 on target.