He played his attacking midfielder on the left wing at Mainz , with Mkhitaryan swinging over to the right .
Reus ' best performance this season could pose a conundrum to Tuchel going forward .
Reus played Reus ' attacking midfielder on the left wing at Mainz , with Mkhitaryan swinging over to the right .
Reus ' best performance this season could pose a conundrum to Tuchel going forward .