Piqué, Umtiti, Lenglet and Todibo is sufficient cover for 2 CB positions.
De Jong could in theory play as a CB as well if shit hits the fan or Firpo in case we end up buying him.
If Umtiti will somehow prove to be unreliable, I imagine that the board could be looking to strengthen the CB position in January. This time around finding a more serious solution than Murillo. They might already have a candidate on "standby".
Anyway happy about Todibo staying as I think that he has all the ingredients to succeed at the club. Just needs continuous playing time and to take his opportunities here and there and grow as a player. Only 19 years old.