Xhaka and Ceballos both had poor games yesterday so it completely killed any chance at concerted pressure. Willian was a bit shit too so the threat on the right was gone.
All the bright moments came whenever Saka or Auba had some time and space and that's where both the goals came from.
Kola as a Tierney replacement in the back three is such a massive downgrade. It would surely make more sense to bring Luiz in and play him or Gabriel there. Or even move Xhaka there who has always looked comfortable dropping into the defence.