The former Southampton manager's current deal is due to expire at the end of the season.
"I would like to continue here," he said after victory over Getafe.
"We've talked about it before, I do not want the issue of renewal to be news that holds us back. Leganés has possibilities, they've always treated me great, I want to return it with gestures of respect and with more results like this.
"Of course I would like to continue here."
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