Luis Mario Díaz Espinoza (born 6 December 1998) is a Costa Rican professional footballer who plays as a midfielder for Major League Soccer club Columbus Crew SC.
Díaz started his career in the Segunda División de Costa Rica with Municipal Grecia. In the 2016–17 season, he and Grecia earned promotion to Liga FPD, the first division of Costa Rican football. Over the summer of 2018, Díaz was the subject of transfer rumors from Herediano; he would officially join Herediano for the 2019 Clausura. On July 2, 2019, it was announced that Díaz had moved to Major League Soccer club Columbus Crew SC on a Young Designated Player deal.
Díaz made his Columbus debut against the Chicago Fire. Coming on in the 65th minute for Eduardo Sosa, Diaz assisted fellow debutant Romario Williams in scoring a 90th minute equalizer as part of a 2–2 draw. He went on to finish the 2019 season with two goals and four assists.
He made his Costa Rica national football team debut on 6 September 2019 in a friendly against Uruguay, when he replaced Joel Campbell in the 68th minute and was cautioned in the remaining minutes.
3 appearances in the current 2021 Season
Former Youth Teams
Former Senior Teams
Former Club Staff