Denil Castillo (born 24 March 2004, age 22) is an Ecuadorian central defensive midfielder whose senior career has been built almost entirely at FC Midtjylland. He wears number 21 and is valued at around £3m by Transfermarkt.
Midtjylland is where the substance of his record sits. Across three league seasons he has made 58 league appearances and scored six league goals, with his most productive campaign coming in 2025–26, when he scored four times in 26 appearances.
In 2026–27, Castillo has made 10 Superliga appearances and scored two goals, with European qualifiers taking his FC Midtjylland total for the season to 16 appearances and two goals in all competitions. He has also represented Ecuador in World Cup qualifying this season.
Castillo remains a developing midfielder with a clear base in Denmark and a growing international profile with Ecuador. His career so far is straightforward enough: FC Midtjylland have given him the platform, and most of the evidence around him comes from that spell.
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