Mingueza made his senior Barcelona debut in the UEFA Champions League, coming on as a substitute in a 4-0 Champions League win over Dynamo Kyiv.
Here he is warming up before making his bow for the five-time European champions that night.
Gallery: Mingueza's journey to South London
Palace’s first summer signing has played at high level throughout his career – let’s take a look at Óscar Mingueza’s career so far in pictures...
Mingueza's teammates during that season included a certain Lionel Messi...
Mingueza featured for Spain at the 2020 Olympic Games (held in 2021) having made his debut for the senior national side just one month earlier.
The defender would pick up an injury in the first game against Egypt, but Spain would go onto win a silver medal, beaten in the final by Brazil.
His second season with the first-team saw Mingueza regularly feature in the Europe, playing in both the Champions League and Europa League.
Here he is in action against Napoli in the latter competition.
A move to La Liga side Celta Vigo would follow in the summer of 2022.
Mingueza had four successful years at the Sky Blues, helping them to qualify for Europe and then reach the quarter-final of the Europa League last season.
Mingueza has gone up against the very best in the game over the last few years...
Our new man pictured here in action against the Netherlands for Spain in the UEFA Nations League quarter-final.
Mingueza started the 2025 Nations League Final against Portugal. Ultimately Spain were beaten on penalties.
Now he starts a new chapter with Crystal Palace. Welcome to South London Oscar!
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