He currently plays for Orense SC, wearing the number 45 shirt. He plays primarily as a Defender. He stands at 190cm tall and weighs 75kg. His preferred foot is Left. His current market value is estimated at 500K €.

His most recent move was a Loan from Orense SC to Racing Club Montevideo on 2026-12-31.

Throughout the LigaPro Serie A 2026, Oscar Quiñonez featured in 2 matches, averaging 0.5 tackles, 0.5 interceptions, and 5.5 clearances per game, while blocking 0 shots per game.