He is on the books of Empoli U20 and wears shirt number 37. His main role on the pitch is Defender.

His latest transfer saw him join Empoli Primavera from Empoli U20 via on 2025-06-30.

Across the Italian Campionato Primavera 1 2024-2025, diego antonini appeared in 2 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.