At 26 years of age, Teun Koopmeiners has established himself as one of the Netherlands’ finest central midfielders and a vital cog in Gian Piero Gasperini’s system at Atalanta. His breakout campaign came in 2019/20, operating alongside fellow academy graduates like Myron Boadu, Calvin Stengs, and Owen Wijndal and excelling in the center of the…