O. Castellanos is a professional footballer from GUA and is currently 27 years old. He is on the books of Antigua GFC and wears shirt number 17. At international level, he features for Guatemala. His main role on the pitch is Defender. His stronger foot is Right. His estimated market valuation currently stands at 325K €.

Across the Guatemala Liga Nacional 2025-2026, O. Castellanos appeared in 28 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.