Diego de Jesús Campos Ballestero is a Costa Rican professional footballer who plays for Alajuelense and the Costa Rica national team.

Liga Deportiva Alajuelense, commonly known as Alajuelense and nicknamed La Liga, is a Costa Rican multisport club based in the borough of El Llano, Alajuela, Alajuela province. Although they compete in a number of different sports, Alajuelense is mostly known for its association football team. It plays in the Primera División de Costa Rica, the top tier of the Costa Rican football league system. Alajuelense is one of two clubs to have never been relegated, along with Herediano.