It’s Lyon deja vu as Bayer Leverkusen have taken to social media to goad West Ham with a video message ahead of the big quarter-final. West Ham’s Europa League last eight opponents Bayer Leverkusen have every right to be confident. Going 41 games unbeaten in all competitions will do that to a team. But there’s a thin line between confidence and arrogance. And West Ham are not a team to trifle with if you’re bringing the latter to the table. The Hammers are already incentivised by the prospect of being the slayers of the invincibles. So it’s probably not a good idea to give David Moyes’ men any…