Denil Castillo, born on 24 March 2004 (age 22), is an Ecuadorian central defensive midfielder with FC Midtjylland. He wears the No. 21 shirt and has also been capped by Ecuador in South American World Cup qualifying.
His senior career has been shaped almost entirely in Denmark. Across three league seasons with Midtjylland, Castillo has made 48 league appearances and scored four goals, with the 2025-2026 campaign his most productive so far.
That season also underlines his place in the current side. He has made 26 Superliga appearances, scoring four times, and has been used heavily in Europe too, with 10 Europa League appearances and six in qualifying. Across all competitions for Midtjylland in 2025-2026, he has made 42 appearances and scored six goals.
His market value is around £3m, according to Transfermarkt. At this stage, Castillo is best understood as a developing midfielder whose career is already closely tied to Midtjylland, where he remains a regular first-team presence.
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