#3 Danny Drinkwater
Only Mariana Granovskia could explain what Chelsea was thinking when it decided to spend £35m on the Englishman.
In what might go down as the worst transfer in a spectacularly terrible transfer campaign, Drinkwater spent a lot of time injured or on the bench.
At Sarri's Napoli, Brazilian enforcer Allan did the dirty work, Jorginho was the regista/controller while Slovakian genius Marek Hamsik was the box-to-box/goalscoring midfielder.
It's unlikely that the Englishman can fulfil any of these roles to the new gaffer's satisfaction. N'Golo Kante is bound to be the defensive midfielder of choice. Jorignho, the deep-lying playmaker, so that leaves the box-to-box midfielder role.
Ross Barkley and Cesc Fabregas are better suited for this role than the former Manchester United trainee.
Alongside Frenchman Tiemoue Bakayoko, Drinkwater looks the most likely player to be sold from the current midfield.