Yep but Mendy was complete disaster and compared to him Cancelo played like Paolo Maldini :D1 goal 3 assists after new year. Didn't sit on the bench against Chelsea in the fa cup semi and it didn't make a difference there. Was in the bottom 7th percentile of players being dribbled past. But at least he made up with it with his trademark "can do" attitude. Tactical masterpiece.
Also there was difference in terms of tactics:
-----Walker------John--------Ruben-------
---------Bernie---------Rodri---------------
Mahrez--------Gundo------Foden-Cancelo
-----------------Jesus/KDB----------------
So in overall it helped to team improve and Foden/Cancelo pair was working.
It's like right now we lack defensive midfielder and even though we won't get someone like Rodri, still, having above average player there means that our overall game will improve and results will start to come.