Southampton legend Matt Le Tissier has told Luke Shaw to convince Louis van Gaal that he's good enough for Manchester United, reports the Daily Star.
The teenager has endured a tricky opening period to his career at Old Trafford and has yet to feature for the club in this campaign. Having picked up a hamstring injury in pre-season, Shaw has only been able to secure a place on the bench in the club's last two games.
Le Tissier has admitted that United's signing of Argentine defender Marcos Rojo isn't good news for Shaw, but has backed him to prove his credentials at the club.
Speaking to StarSport, the Southampton legend said: "Van Gaal has doubts over Luke Shaw. Perhaps he hasn't liked what he's seen in training.
"The fact he went and bought a left-sided defender [Marcos Rojo] after signing Luke wasn't the greatest sign for the lad. He's got his work cut out.
"Luke's a good footballer and he has to prove that to the manager.
"You have to convince managers sometimes. It happened to me eight or nine times in my career.
"This is the first challenge of his career and we have to see how he stands up to it.
"Never for one second did I ever think he had a struggle playing 90 minutes - and I can normally tell that because I was one of them myself!
"He picked up a few niggling injuries, where he didn't finish the 90, but nothing where I thought he doesn't look strong enough to complete a match."
Rojo has played for the Red Devils in the club's last two fixtures at left-back, however it appears that the defender could move into the centre of defence for the club's next fixture against West Ham United.
The Red Devils will be without Phil Jones and Jonny Evans through injury, whilst youngster Tyler Blackett will be suspended following his red card against Leicester City at the King Power Stadium. Van Gaal could, then, line up with Shaw and flamboyant Brazilian ace Rafael da Silva in the full-back positions, with Chris Smalling partnering Rojo at centre-back.
United fans will certainly be hoping for a major improvement in the back-line ahead of this weekend's schedule. The Red Devils have shipped goals this season, having conceded four at League One outfit MK Dons in the Capital One Cup and five against Premier League new-boys Leicester City this past weekend. Shaw, then, will be hoping to make a huge impression against the Hammers as he goes in search of kicking off his Old Trafford career.
Manchester United fans: Do you want to see Shaw in your first team? Have your say in the comments section below!