He was left frustrated by his side’s 0-0 draw at Real Sociedad in their last Champions League game.
Moyes said: “I came away from Sociedad feeling disappointed as that was an opportunity to be in a position where we would feel a lot more comfortable.
“We now have to go to Bayer Leverkusen, which will be a really tough game.
“Then we have Shakhtar Donetsk at home. So it’s two to go and maybe one win will be enough to see us through.”
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