Marten de Roon, born on 29 March 1991 (age 35), is a Netherlands midfielder now with Roma, where he wears the no.15 shirt. His current market value is around £6m, according to Transfermarkt.
His career is shaped above all by Atalanta. Across 10 seasons with the Bergamo club, de Roon made 340 league appearances and scored 20 league goals, the sort of long, durable service that tends to say more than any inflated description of his role. He became associated with the practical side of their midfield: disciplined, reliable, and useful without demanding much theatre.
His spell at Middlesbrough in 2016-17 was the one clear break in that pattern. He scored four goals in 33 league appearances, making it his most productive league season, before the wider pull of his Atalanta years resumed.
By 2026-27 he was at Roma, with eight Serie A appearances and 12 in all competitions, including a Champions League goal. He has also remained involved with the Netherlands, making one World Cup appearance this season.
De Roon’s career has taken in Middlesbrough, Roma and international football, but its main weight sits with Atalanta: a long-serving defensive midfielder whose value has been in consistency rather than show.
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