His main role on the pitch is Midfield. His estimated market valuation currently stands at 125K .

His latest transfer saw him join Concón National from Nublense via on 2026-02-23.

Over 18 appearances in the CHI Segunda División 2025, Valentín Demateis contributed 0 goals and 0 assists, completed 0 key passes from 0 total passes, and posted a passing accuracy of -.