The 28 - year - old held the back of his right leg and could well miss the EFL Cup final against Southampton as a result .
Within nine minutes of opening the scoring with a smart finish , Henrikh Mkhitaryan was withdrawn through injury .
The 28 - year - old held the back of Henrikh Mkhitaryan 's right leg and could well miss the EFL Cup final against Southampton as a result .
Within nine minutes of opening the scoring with a smart finish , Henrikh Mkhitaryan was withdrawn through injury .