Jakub Sinior
Jakub Sinior (born 7 July 2000) is a Polish footballer who plays as a defender or midfielder for Pogoń Siedlce. Career. In 2017, Sinior joined the youth academy of English second division side Middlesbrough after playing for the youth academy of Legia, the most successful club in Poland. In 2018, he joined the youth academy of Italian Serie A team Hellas Verona. In 2019, Sinior signed for Zagłębie Sosnowiec in the Polish second division, where he made 15 league appearances and scored 0 goals. In 2020, he was sent on loan to Polish third division outfit Skra Częstochowa