Arsene Wenger reveals hopes for Henrikh Mkhitaryan and Mesut Ozil partnership after Armenian's arrival.Arsene Wenger believes Henrikh Mkhitaryan can strike a partnership with Mesut Ozil at Arsenal Mkhitaryan completed his move from Manchester United on Monday with Alexis Sanchez moving in the other directionOzil is out of contract in the summer but Arsenal are hopeful he will extend his tenure at the Emirates