Pogba at Man Utd: Mismanaged or a mistake?

It is the summer of 2016. Jose Mourinho is the Manchester United manager and the club has just broken the world transfer record. A Frenchman has returned to Old Trafford for unfinished business.

"This is the right club for me to achieve everything I hope to in the game," Paul Pogba said after completing his £89m move back to United from Juventus.

"He has the chance to be at the heart of this club for the next decade and beyond," Mourinho added.

It was a deal that caused a social media frenzy. Emerging from the shadows with a red devil marked into his hair, Pogba's announcement video was followed by a sponsored music clip featuring Stormzy. The hype over #POGBACK had begun.

It was supposed to be the start of something special. A new era for a club still struggling to find its feet after the retirement of Sir Alex Ferguson three years earlier.

But Pogba has been unable to inspire United to former glories. The 2017 League Cup and Europa League are the only trophies of his six-season spell.

After being booed off the pitch against Norwich and suffering a calf injury at Liverpool last month, Pogba looks certain to leave the club for a second time. He cannot solely be blamed for United's lack of success, but his imminent departure signals an underwhelming end to a transfer that promised so much.

As his contract nears its expiry date and Europe's biggest clubs prepare to pounce, Sky Sports looks at Pogba's second United career.

How did it go so wrong? Was he mismanaged? Or was it Pogba who made the mistake?

It is a question that even now, almost six years on from his second United debut, those in the Old Trafford dugout both past and present still struggle to answer.

But how did it begin?

In his first game back against