He is on the books of Club Sportivo 2 de Mayo and wears shirt number 2. His main role on the pitch is Defender. His estimated market valuation currently stands at 200K €.

His latest transfer saw him join Club Sportivo 2 de Mayo from Free player via on 2022-01-01.

Across the Paraguayan Primera Division 2026, M. Barreto appeared in 5 matches and averaged 1.8 tackles, 0.4 interceptions, 5.4 clearances, and 0.2 blocked shots per game.