Edin Terzic has resigned as Borussia Dortmund coach, the Champions League runners-up said on Thursday in a surprise statement. “The 41-year-old…asked Dortmund to terminate his contract with immediate effect, and after discussions, the club agreed to his request,” the statement read. The 41-year-old won the German Cup with Dortmund in 2021 as interim coach and then helped them finish runners-up in the Bundesliga in 2023 and reached the Champions League final in 2024 when in permanent charge. Terzic, a boyhood Dortmund fan, said: “It is incredibly painful for me to say this to all Black and Ye…