But, unfortunately for him, his nightmare has become a reality on EA FC 24 - and even Manchester United legend Rio Ferdinand agrees with his score.
Ferdinand joined talkSPORT at the EA FC 24 launch event to cast an eye over the Red Devils' new ratings.
Many of Erik ten Hag's players received a decent upgrade this year after qualifying for the Champions League and winning the Carabao Cup last season.
And Ferdinand - whose 88-icon rating on the latest game would put him joint second among the current squad - feels the scores are accurate, even for their £60million summer signing.
He told talkSPORT: "I think they're all about right.
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"I think Mason might say he should be a bit higher.
"But I'd need to see a few more to see where they sit in the pack."
Mount will almost undoubtedly claim to EA that he should be higher, having been so unhappy with his fake rating last year.
The 24-year-old was in charge of dishing out the FIFA 23 ratings to his then-Chelsea teammates when he was at the club last season.
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As part of a prank in the video, Mount was handed a fake 82-rated card, when he had actually been upgraded to an 84.
He threw his copy of the game in the bin and was given a consoling embrace by Ben Chilwell before he was shown his real score.
But following a season in which Mount only managed three goals in 24 Premier League appearances as Chelsea finished twelfth, he really has been downgraded.
And to add insult to injury his passing and dribbling stats, in addition to his 81 overall, are all worse than last year's prank card, let alone the real thing.
His downgrade is actually the biggest in the Man United squad this season, with Mount the only player to have his rating knocked by three scores.
It's also the first time since his breakthrough season at Chelsea on FIFA 20 that Mount has been a non-rare gold card as well.
And that has dropped his worth behind Tottenham outcast Giovani Lo Celso, former Chelsea teammate Kai Havertz and fellow United struggler Jadon Sancho.
In a week where Gary Lineker tipped Mount as a future Match of the Day replacement, it's likely the midfielder will want to talk about anything other than football being played on a screen...