The last time Manchester United had a talented young midfielder wearing this shirt number, well, things didn’t really work out how the Red Devils would have planned. Yes, Paul Pogba would return for a second spell at Old Trafford, joining Manchester United for a then-world record fee of £89 million from Juventus back in 2016. But, for some sections of the United fanbase, any warmth they may had felt towards the towering Frenchman would forever be undercut by the manner of his departure four years earlier. Pogba, swaggering onto the first-team stage with the number 42 on his back, enraged Sir A…