Rojo has spent the campaign back in Argentina on loan at Estudiantes.
He made just one appearance back at his boyhood club as injury and lockdown prematurely ended his season.
And he is now back in Manchester, posting an image on Instagram alongside his family on Thursday night outside a private plane captioned: "We come back to Manchester."
United will again look to offload Rojo this transfer window after his lack of involvement in recent years, says the Mirror.
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