United boss Jose Mourinho prefers Marcus Rashford and Anthony Martial as attackers coming from wide positions which leaves them with what he considers a shortage of options in the central role.
The deal may also make sense for Arsenal, but Sanchez appears determined to move to City, and it may be hard to persuade the Chile worldwide his future lies anywhere other than the Etihad Stadium. Ibrahimovic is not expected to extend his stay at Old Trafford into a third season, with speculation earlier this week suggesting he could be allowed to leave the club before the end of his contract in June to sign a lucrative deal in the United States of America or China.
Leicester's Vardy would be the most expensive option of the three at around £35m, despite the England global turning 31 today.
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Where will Alexis Sanchez be playing his football at the end of the transfer window?
The same report says that Manchester United have also made initial enquiries about the likes of Leicester City's Jamie Vardy and Arsenal's Alexis Sanchez as the Red Devils seek their first January signing.
Mourinho is a known admirer of Hernandez, who spent five years at Old Trafford between 2010 and 2015 and won two Premier League titles, having spoke highly of the Mexican last year.
Leicester would be prepared to sell Vardy for £35m. Mourinho has previously admitted he would not have allowed the striker to leave the club should he have been in charge at the time.
Chopper with 7 on board goes missing off Mumbai coast
Based on the information received, the chopper which had two pilots and five passengers did not land at the designated oil rig. The last contact with the Air Traffic Control ( ATC ) was made at around 10.30 am, 30 nautical miles off Mumbai .