English Premier League side, Chelsea, will be without four of their new signings when they clash with Brighton on Monday night.
Frank Lampard’s team kick off their Premier League season today.
However, Chelsea manager will have to make do with the German duo of Timo Werner and Kai Havertz.
Ziyech and Chilwell are nursing knee and heel injuries respectively.
Silva joined up with the team last week for training and is not deemed match fit yet.
Christian Pulisic is pushing for a place in the starting XI after recovering from injury.
Lampard faces a decision over whether to recall Kepa Arrizabalaga or keep faith with Willy Caballero in goal.