Mats Knoester, born in the Netherlands on 19 November 1998 (age 27), is a Dutch central defender with Aberdeen, where he wears the number five shirt. His market value is around £510,000, according to Transfermarkt.
His early senior development was built on getting proper football rather than waiting around as a theoretical prospect. The clearest marker came at Heracles Almelo in 2020–2021, when he made 27 league appearances and scored twice, still his most productive league season.
At Aberdeen in 2025–2026, Knoester remained a regular first-team presence. He made 28 league appearances and added six in the Conference League, taking him to 34 appearances across all competitions for the season.
Knoester’s career to this point has been shaped by steady defensive work in the Netherlands and Scotland. At Aberdeen, he remains an established part of the side rather than a peripheral squad name.
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