Chelsea secured a victory over Plymouth on Saturday afternoon.
The Blues made it to the fifth round of the FA Cup after a narrow 2-1 win over Plymouth Argyle at Stamford Bridge.
Thomas Tuchel is COVID positive so coach Michel Arnos has led the squad on Saturday afternoon.
Michel has confirmed injuries to Ziyech, Mount and Azplicueta who had a few muscle problems.
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“We had so many shots and so many chances,” the Chelsea coach said.
“There were so many opportunities in the box today, but they defended very well, very deep but very disciplined.
“It was not easy to convert all these opportunities.
“We stayed in touch with Thomas [Tuchel].
“Right now we have to wait for the next day to see what’s going on.
“We have a few problems. Mason [Mount] we had to take out, Hakim [Ziyech] we had to take out, Azpi felt his hamstring.
“We had a few muscle problems, but they’re hopefully only little ones.”