Horse-lungs: Serbian full-back Filip Kostic is a relentless figure on the left-hand side for Eintracht Frankfurt
(Picture: Getty Images)Standing between West Ham and a place in the Europa League Final is a team personified by a player whose nickname translates as “horse-lungs”.
Eintracht Frankfurt wing-back Filip Kostic is known as “Pferdelunge” because of the relentless running he does up and down the left flank.
