The Blues headed to Wroclaw knowing that victory would make them the only team in history to win all major UEFA honours but they made the worst possible start. 

It was Abde Ezzalzouli who rifled home a low strike from the corner of the box after being expertly picked out with a reverse pass measured to perfection from the former Real Madrid playmaker, Isco. 

The veteran Spanish midfielder continued to pull the strings as Betis threatened to run riot as Chelsea covered up the ropes.