Junior Diaz is a 23-year-old professional football player from CIV. He currently plays for Stade Brestois 29, wearing the number 4 shirt. He plays primarily as a Defender. His current market value is estimated at 5M €.

His most recent move was a Loan from Stade Brestois 29 to Troyes on 2026-06-30.

Throughout the Ligue 1 2025-2026, Junior Diaz featured in 24 matches, averaging 0.5 tackles, 0.7 interceptions, and 2.8 clearances per game, while blocking 0.1 shots per game.