Career
Yussuf Poulsen began playing football at BK Skjold. At first he was a defensive player and in Kenneth Zohore he had a team mate, with whom he was to play later in the Danish youth national teams. After Zohoré joined Football Club Copenhagen, Yussuf Poulsen was moved to a position as a striker.
At the age of 14 he joined the youth ranks of Lyngby BK. He played his first match as a senior on 4 December 2011, when he came on the pitch against Air Corps Horsens after 84 minutes, as a substitute for Mathias Tauber.
Poulsen did not immediately establish himself in the starting eleven, and he was at the end of the season only on five appearances. His club, Lyngby were also relegated from Superligaen.
5 August 2012 he scored his first goal at senior level, as well as for his club, when he in the second match in the 1. Division (second Danish league) scored the 1-0 winning goal against Bachelor of Arts Gladsaxe.
He was a regular player in the starting 11, and played 29 matches and scored eleven goals.
Bundesliga german side RB Leipzig.