Mason Duval is a 25-year-old professional football player from CAY. At the international level, he represents Cayman Islands. He plays primarily as a Defender.

Throughout the FIFA World Cup qualification (CONCACAF) 2026, Mason Duval featured in 3 matches, averaging 1.7 tackles, 0.3 interceptions, and 2 clearances per game, while blocking 0 shots per game.