28-year-old “keen to leave Arsenal” and concrete talks have already taken placeArsenal’s Oleksandr Zinchenko is reportedly a transfer target for Borussia Dortmund. The Ukrainian left-back is open to leaving the Emirates Stadium, having become less of a regular under Mikel Arteta. Zinchenko offers quality on the ball but has defensive weaknesses. Dortmund could benefit from his signing, despite his recent struggles at Arsenal.