Sanchez and Ozil are each out of contract on the finish of the season and were related with exits from Arsenal.
Chile ahead Sanchez used to be shut to an go out in the summertime switch window however a transfer to Manchester City fell thru on cut-off date day.
German World Cup winner Mesut Ozil attracted much less passion than his teammate however is but to devote his long run to the Gunners.
The pair have scored simply as soon as every thus far within the Premier League this season.
Arsene Wenger’s Arsenal lately sit down in 6th position within the desk, 12 issues at the back of leaders Manchester City.
Cech believes that from what he has noticed at the coaching flooring the big name duo are dedicated to the purpose.
But he says the staff wishes them to carry out to lend a hand achieve their objectives this season.
“They are an important part of the team,” the ex-Chelsea big name instructed Sky Sports.
“With the standard of Alexis Sanchez and Mesut you’re all the time glad to have avid gamers like this within the staff.
“But you wish to have them to carry out, you wish to have to really feel they’re dedicated to the case.
“I’ve to say they arrive each day, they paintings and as a staff we really feel that – even though there’s numerous hypothesis, their contracts are other to everybody else’s – you’ll see they’re dedicated to the staff.
“They educate neatly and we are hoping their shape will lend a hand us achieve the objective.”