He is on the books of Al-Arabi SC(KSA) and wears shirt number 3. His main role on the pitch is Defender. He measures 185cm in height and weighs 85kg. His stronger foot is Right.

Across the Saudi First Division League 2025-2026, Leonardo Sheldon Martins appeared in 6 matches and averaged 0.8 tackles, 0.3 interceptions, 5.8 clearances, and 0 blocked shots per game.