Yael Trepy, born in 2006, is a young French striker who initially grew up in the youth teams of US Créteil-Lusitanos. He was spotted and brought into the Cagliari youth sector in 2022, where he continued his training in the Under-18 and Primavera teams.
With Cagliari's Primavera team, Trepy contributed significantly to the 2025 Coppa Italia Primavera victory, even scoring in the final against AC Milan.
During the 2025-26 season, he was added to the first team and made his Serie A debut on January 8, 2026, in the Cremonese-Cagliari match (2-2). Coming on in the final minutes, he scored the equalizer a few minutes after coming on, also winning the title of best player of the match.