I'm not sure any of our WBs have the quality and specialist skillset to provide enough going forward. I'm resigned to 3 at the back now that we've resigned Luiz though.
Part of me would like to see:
------------Leno
----Saliba Luiz Tierney
-AMN---Partey--CM---Saka
---Pepe-------CF----Auba
As it goes, I feel like Tierney is more of a fullback, as is Bellerin.