Answer
Yes, Henrikh Mkhitaryan won the DFL-Supercup with Borussia Dortmund. The DFL-Supercup is a German football competition contested annually between the winners of the Bundesliga and DFB-Pokal. Mkhitaryan was a member of the Borussia Dortmund team that won the 2014 DFL-Supercup, defeating Bayern Munich 2–0 in the final.