[4] After making 11 appearances in his debut season, he became a regular the following year, featuring in 33 matches and scoring four goals, including one in the DFB-Pokal.

[5] Eintracht Frankfurt press officer Carsten Knoop confirmed that Fink would be leaving at the end of the season.

As a result, Bernhard Trares was appointed head coach on 4 January 2018, and Fink ended his collaboration with the club at his own request.

[17][18] From February 2018, Fink took charge of establishing and leading the newly created scouting department at FC Gießen.

In early 2020, Fink returned to FC Gießen in the Regionalliga, signing a one-year contract as a playing assistant coach.