Ever since an April night in 1966 when Tommy Docherty was accused of flooding the Stamford Bridge pitch to get a semi-final postponed, Barcelona-Chelsea has for some reason been a fixture with an edge to it.

BRING on the Martians! Maybe it’s not the most catchy football chant for next season, but Il Messaggero captured perfectly the mood of delirium that swept across Italy at around 11.30 on Tuesday night.