Manchester City showed interest in Mathis Albert before Borussia Dortmund extended his contract. Borussia Dortmund has extended the contract of their top talent, Mathis Albert, behind closed doors. According to Bild, the club has signed a long-term deal with the 16-year-old winger, who was also approached by FC Barcelona and FC Bayern, in addition to Manchester City. The American-born jewel, born in 2009, is part of the squad for the Club World Cup and has hopes for appearances. Last season, despite his young age, Albert played in Dortmund's U19 team and also appeared in the UEFA Youth League.