On 34 minutes , he powered in a header from a set - piece as Chelsea finally got going after a slow start .
It was Willian who was most influential in sealing that victory , but Gary Cahill initiated the chaos .
On 34 minutes , Willian powered in a header from a set - piece as Chelsea finally got going after a slow start .
It was Willian who was most influential in sealing that victory , but Gary Cahill initiated the chaos .