Cech has started all five league games so far despite struggling at times to cope with Emery's style of play, which dictates that the goalkeeper takes an active part in the passing game when building from the back.
Bernd Leno will make his first competitive start for Arsenal in tonight's Europa League match against Vorskla Poltava. Tomorrow we are going to play Leno, but in each match we are going to look at each performance and each preparation for continuing playing, but not for giving Leno, Petr [Cech] or Emi [Martinez] one competition to play in.
However, he insisted that should not be read as him installing Leno as the cup goalkeeper.
"The way Arsenal play they don't do clean sheets, so I am going to go for a 2-1 win and Mkhitaryan to score first". "Tomorrow we are going to change, to give the players options, to find minutes, confidence on the pitch".
Lucas Torreira is set to make his full debut in midfield after impressing off the bench while Bernd Leno and Stephan Lichtsteiner are also expected to be handed their first starts since arriving in the summer.
Josh Gordon practices; Trey Flowers and Patrick Chung are absent
The Browns had had enough and dealt Gordon to New England for a fifth-round pick Monday. It's very possible we see him step on the field this week against the Detroit Lions .
"Our club is writing history, writing history for our city and that is a huge honour for us", he said.
The north London side signed seven players in the summer transfer window as Emery revamped the Gunners squad.
The likes of Mohamed Elneny, Rob Holding, Henrikh Mkhitaryan, Alex Iwobi and Danny Welbeck are also pushing for recalls while youngsters Emile Smith Rowe and Eddie Nketiah will hope to feature.
"I would expect Arsenal to be a bit like Chelsea; they will want to start the group well and with a win", Nicholas told Sky Sports.