Zaha is expected to be made available for loan in January.
Warnock told the London Evening Standard: “I don’t think it was United’s intention to not play Zaha this season but this kid, Adnan Januzaj, has been a revelation.
“I hope United loan him back for the rest of the season in January. It would be a massive plus for Palace to have him back.
“He would play his heart out. I would imagine they’re already planning that, the only problem is clubs in better positions will want him and United may not want him to be involved in a relegation scrap.
“I don’t think that it would do him any harm because he knows the situation and will give him half a season in the top flight in familiar surroundings, which will be a big help for a young player."
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