Many West Ham fans have been surprised by the paltry allocation for the big quarter-final tie at Bayer Leverkusen. West Ham face the tough task of Bundesliga leaders Bayer Leverkusen in the last eight of the Europa League. The Germans are second favourites for the competition behind Liverpool. But West Ham’s stellar attack and recent European pedigree makes them a dangerous opponent over two legs. Just ask Sevilla, Lyon and Freiburg to name but three. Hammers sell out paltry allocation for huge clashWest Ham play Leverkusen away in the first leg on April 11th. David Moyes’ side then welcome Xa…