I thought the ref did quite well in the face of Chelsea's antics. The reds for Pedro and Morata were well deserved. I've watched that alleged Willian penalty about twenty times now and I think the ref was right not to give it. To me, Willian seemed to be trailing a leg in order to be deliberately caught, and he went down way too easily. Willian is a player I hugely admire but it looked to me like he was fishing for a penalty. Had it been given it would have been a soft one. Had that been Messi, Mane or Salah in the box they would have gone through hell and high water to stay on their feet and go for goal.