According to Sky Sports, United will seek Aarons as a cheaper option.
The report states that United are readying a new improved bid for Wan-Bissaka, after their initial bid of £40 million was rebuffed.
Palace value the England U21 international, who has three years left on his current conrtact, at £60 million.
But if they do sell Wan-Bissaka, they may make a move for 19-year-old Aarons themselves.
The Eagles wont be alone in pursuit of the EFL Young Player of the Year, however, with Tottenham and RB Leipzig also reportedly showing interest.
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