3) Lack of wide options
Chelsea have lots of wingers, but they’re all very similar. The hard-working winger is clearly what Jose Mourinho favours – he has bought André Schurrle and Willian, plays Ramires out wide and has even forced Eden Hazard to track back.
This is all well and good, but it means that Chelsea have no attacking wingers – apart from Hazard (and Mohamed Salah, who doesn’t count). In the later stages of the Champions League wingers who want to defend are all well and good, but players with a good work rate don’t offer much when you’re trying to break down a Sunderland team with XI men in their own area for 90 minutes.