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The Alex are currently enjoying a 10-match unbeaten run and lay three points adrift of the play-off places.
"The squad of players are very important to us and they need to come in and do a good job for us," he told BBC Radio Stoke.
Davis also admitted that out-of-form striker Shaun Miller needs a confidence boost after failing to score since September.
"Shaun has to get himself going again," Davis added. "He has endured a barren spell and the longer it goes on, the more difficult it becomes.
"It has happened with [Fernando] Torres and there is a loss of confidence there when you go 20 plus games without a goal."
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