Gabriel Agbonlahor believes Manchester United would be a "laughing stock" if they allowed Champions League rivals West Ham to swoop for Jesse Lingard.
The 29-year-old will be out of contract in the summer and has been subject to interest from the Hammers and Newcastle United this month.
Lingard enjoyed the second half of last season as he shone for David Moyes' side after departing United on loan, in search of first-team minutes.
He could have moved permanently to East London in the summer but former manager Ole Gunnar Solskjaer opted to retain his services.
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