United's first choice left-back Luke Shaw suffered a double fracture to his leg during the Champions League tie with PSV, and the Red Devils are believed to be exploring their options.
Daley Blind and Marcos Rojo are both able to fill in there, but are also needed at centre-back.
Charlie Taylor is just 21, and broke into the Leeds side last season, having been on loan at Fleetwood Town in 2013/14.
We took a look at how Taylor compared to a player Manchester United sold a year ago, who has been competing like for like in the Championship, Fabio da Silva, of Cardiff City.
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Taylor has shown himself to be more of a goal threat, and is clearly superior in terms of crossing the ball, recording almost one accurate cross per game, while Fabio's are few and far between.
Fabio da Silva played in the Champions League Final for United, and while injuries led to his exit and desire to play regular football, Leeds United youngster Taylor matches up well.
He is one of four Leeds players along with Lewis Cook, Sam Byram and Alex Mowatt who have come through the Championship side's academy and are highly regarded.
With the ability to play on the left wing too, as he showed last season, he would have potential to be involved at Manchester United beyond simply being a fill-in for Luke Shaw when fit, if he can raise his game to be an impact making Premier League player.