Mads Agger (born 21December 1999) is a Danish professional footballer who plays as a right winger or forward for Ekstraklasa club Pogoà  Szczecin.
Born in the Central Jutland city of Holstebro, Agger played amateur football for Lemvig GF in the eighth tier of Danish football. He received his first professional contract in 2020, signing for Skive IK who were competing in the Danish 1st Division at the time. Both he and the club struggled in his debut season, as they were relegated to the 2nd Division. He managed three goals after 27 appearances during the season. He found the back of the net 11 times in 32 league appearances in the following season.
In 2022, Agger was signed by Næstved BK of the 1st Division. He would spend only one season at Næstved Stadium, scoring nine goals over 32 appearances. His performances caught the attention of fellow 1st Division club Sønderjyske, who signed him on 19 June 2023 on a three-year contract. His first season with the club would prove to be successful, as Sønderjyske won the 1st Division title to gain promotion to the Danish Superliga. During their promotion campaign, Agger provided nine goals and five assists over 32 appearances in both the league and the Danish Cup.
On 11August 2024, Agger made his first appearance in the top flight of Danish football, coming on the 39th minute as a substitute as Sønderjyske fell 0âÂÂ2 to Copenhagen at Sydbank Park. Just one week later on 18 August, he gave Sønderjyske a 2âÂÂ1 victory at Randers FC where he scored both goals for the club. His debut season in the top league finished with eight goals from 26 matches played as Sønderjyske finished 9th in the league table.
On 25 February 2026, Agger moved abroad for the first time in his career, joining Polish Ekstraklasa club Pogoà  Szczecin until June 2029 with an option for a further year.
Mads is the younger brother of professional footballer Mikkel Agger, who spent much of his career with Thisted before retiring in 2024. Their father, Søren Agger, also spent time in professional football for Herning Fremad.
Sønderjyske