Willer Emilio Ditta Pérez (born 23 January 1997) is a Colombian professional footballer who plays as a centre-back for Liga MX club Cruz Azul and the Colombia national team.
Ditta began his football career at Barranquilla, where he emerged as a promising talent from the youth academy. He made his professional debut in 2018 before transferring to Atlético Junior, where he achieved significant success by winning two Primera A titles.
In January 2022, Ditta joined Newell's Old Boys on loan. Later that year, in November, Newell's exercised their purchase option to acquire him permanently, and he subsequently signed a three-year contract with the club.
On 6 July 2023, he joined Cruz Azul. In June 2025, he helped the club secure their seventh CONCACAF Champions Cup title with a dominant victory over the Vancouver Whitecaps FC.
Atlético Junior
Cruz Azul
Individual