The Swiss international has joined on a season-long loan from Serie A side Juventus, with his squad number now confirmed.

The midfielder is ineligible to play tomorrow as we host West Ham United, but Thomas Tuchel earlier revealed he hopes he can include our newest recruit in one of our matches next week, against either Dinamo Zagreb and Fulham.

A player to most notably wear the No.20 shirt for Chelsea has been Deco.