The £4million transfer decision Sir Alex Ferguson made after Ole Gunnar Solskjaer advice

"It doesn't surprise me United have bought him because they have a great eye for a young player. United have done well again to see the potential in the guy.

"He is good raw material and there is no better place for him to be in terms of getting the chance to build on that. There is no better manager than Sir Alex Ferguson to bring out the best in him."

In an infamous picture taken in July 2009, Sir Alex Ferguson can be seen posing with the three players Manchester United signed to offset the sale of Cristiano Ronaldo to Real Madrid.

United's legendary boss is stood smiling in an all-black training gear get up. On one side, Antonio Valencia; on the other, Gabriel Obertan and Michael Owen.

READ NEXT: 'He wants to prove he’s not dead' - The World Cup winner banished by Manchester United for breaking Louis van Gaal rule

There was, however, one other player United signed that summer. His name: Mame Biram Diouf.

He might not be remembered fondly by supporters, but at the time, United believed they had pulled off quite a coup by signing an exciting raw talent who had the potential to be a leading marksman in Europe.

The Senegalese striker moved to Scandinavia in 2007 when he signed for Molde, the first step on his eventual pathway to Old Trafford two years later.

Diouf netted an impressive 10 goals in 11 appearances as Molde were promoted to the top-flight of Norwegian football and netted another seven during his first season in the top-flight.

In the next season, he had netted 12 goals by mid-July - around the mid-point in the Norwegian season - including four goals in one match against high-flying Brann which accelerated United's interest in the player.

They had already been watching Diouf for two years, with Ferguson