 In 2007, he joined Borussia Dortmund, where he spent the majority of his career, making over 250 appearances and winning two Bundesliga titles, two DFL-Supercups, and one DFB-Pokal.Błaszczykowski was twice named Polish Footballer of the Year in 2008 and 2010.With 108 appearances, he is the second most capped player for Poland, and captained them as they co-hosted UEFA Euro 2012, while also appearing at UEFA Euro 2016 and the 2018 FIFA World Cup.