Red Devils will keep a close eye on Neville's performance in Spain, a report says.
Ninth-placed Valencia face daunting test against Spanish and European champions.
Reece Oxford made his Premier League debut during West Ham United's 2-0 victory over Arsenal in August.
Louis van Gaal does not want to revert to a long back tactic to appease the fans.
Injuries to the likes of Luke Shaw and Wayne Rooney have forced the Dutch boss's hand.
The Colombian international has failed to start a game for Chelsea since October.
Louis van Gaal is also without long-term absentees Luke Shaw and Antonio Valencia.
Manchester United face West Ham United in the Premier League clash on Saturday. Find out how to follow the match live in the UK.
Dimitri Payet and Enner Valencia are also out for the trip to Old Trafford on Saturday .
Sadio Mane is being scouted by Bayern Munich for a move in January.
Lee Sharpe has pinpointed Wayne Rooney's failure to stick to the basics as the main reason for his poor form.
Marouane Fellaini and Ander Herrera have struggled for regular game time under Louis van Gaal this campaign.
Louis van Gaal is likely to step up their search for a left-back in January after Rojo injury blow.
Under-21 coach Warren Joyce says youth players are excelling amid regular contact with seniors.
Xavi also hit out at Louis van Gaal's treatment of his former teammate ahead of the January window.
Legendary Scot says Neville has the leadership qualities to succeed in management.
Paul Pogba has won three consecutive Serie A titles since moving to Juventus from United in 2012.
Spanish striker has no plans to leave the relegation-threatened Magpies.
Neville has been named as Valencia's head coach until the end of the season.
Mane is still linking with a move to Manchester United.
Louis van Gaal has revealed that new arrivals must add speed and creativity to the team.
Pierre Emerick-Aubameyang has been in brilliant form so far this season.