Born in Brussels, Januzaj played for FC Brussels and RSC Anderlecht in his youth and for Manchester United from 2011 onwards, breaking into the first team in 2013. He made 47 appearances for Manchester United in the Premier League, scoring 5 goals, and was also called into action 13 times for national and international cup competitions.
At the international level, Januzaj has made 6 international appearances for the Belgian national team and took part in the 2014 World Cup.
“Adnan is a much sought after and technically gifted player who completes our attacking line-up”, said Michael Zorc, BVB sporting director.
“Borussia Dortmund are a big club and the fans are said to be unbelievable here,” Januzaj said, who will take the number 9 shirt. “I want to achieve big things with this team.”