Josh King had a return to Manchester United blocked in the January transfer window of 2020.
Norwegian international King has told teammate Ben Foster’s YouTube channel that seeing his United move collapse was the worst moment of his career.
United were looking around for a striker to provide backup to Anthony Martial and Marcus Rashford.
In the closing stages of the window, they turned to King and reportedly launched a late £20 million bid to Bournemouth.

When Foster asked him what the worst moment of his career was during a quickfire Q&A, King said: “The lowest moment of my career was when Bournemouth said no to the bid from United.”
Speaking more generally about his time at United between 2008 and 2013, King said: “I was there for five years and Ole was the manager of the reserve team. He was a top man.
“I was with Paul McGuinness in Under 18 football and then Ole took over.
“He was good with me and took me under his wing. I remember his finishing practices; it was good! He would do the drill and put it top bin.
“It was just the small things at United, like you have to wear black boots to keep us grounded. With Sir Alex Ferguson, he kept you grounded. The hard work in training sessions I still do today.
“Manchester United is one of the biggest clubs in the world and when I was there it probably was the biggest club in the world.”

King was an underwhelming transfer target at the time, and after a quiet loan spell at Everton last season, he moved to Watford this summer.
King of course actually helped put Solskjaer to the sword at Vicarage Road on Saturday, opening the scoring in the 4-1 which cost the manager his job.
It is clear that King would have loved to have come back to the club where he came through the ranks.
It was not to be and now he is back to his best and trying to help Watford steer clear of trouble.
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