Mikkel Kaufmann

AaB

A youth prospect of AaB, Kaufmann made his official debut for the club on 6 August 2018 in a game against Vendsyssel FF, coming on the pitch from the bench with three minutes left. On 7 April 2019, Kaufmann scored his first professional goal against Hobro IK in stoppage time, as the game ended 1–1.

Copenhagen

On 24 January 2020, Danish Superliga champions Copenhagen announced, that they had signed AaB topscorer Kaufmann from the summer 2020. However, after Carlo Holse was sold from Copenhagen, the club decided to bring him in immediately on the last day of the winter transfer market. The fee was rumored to be about DKK 20 million plus an additional 1.5 million to sign him immediately. Kaufmann's transfer became the third biggest deal in the history of AaB. On 9 July 2021, Kaufmann joined Hamburger SV on a season-long loan deal. After a disappointing season in Hamburger with two goals 32 games, Kaufmann was loaned out again: fellow league club, Karlsruher SC, confirmed on 22 June 2022, that Kaufmann had been loaned out to the club for one year.

Union Berlin

On 12 June 2023, it was announced that Kaufmann had signed for Bundesliga club Union Berlin for a reported fee of €2.7 million.

Heidenheim

On 28 June 2024, Kaufmann signed a four-year contract with 1. FC Heidenheim. On 17 January 2025, Kaufmann returned to Karlsruher SC on loan until the end of the 2024–25 season.

As of match played 20 September 2026