Evidence shows that Casemiro faced a serious decline about performance in Man Utd’s system

Statistics from Sofascore show that Casemiro is one of Man Utd’s worst players.

Manchester United suffered their first defeat at home in 20 Premier League matches when they lost 1-3 to Brighton.

The diamond formation was far from ideal against Brighton. Fernandes (10) was outnumbered by Brighton’s two DMs and Casemiro was badly isolated (as McTominay/Eriksen were covering Brighton’s full backs). ETH’s defending of wide areas is poor, which affects the middle later o

Harry Maguire deserves to be in Manchester United line-up and Casemiro needs dropping - he looks 45! | talkSPORT

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Casemiro looked like a 45-YEAR-OLD in Man Utd's loss to Brighton and  Maguire should have started, says Agbonlahor | The Sun

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Man Utd news: Casemiro 'played like he's 45' as Harry Maguire backed for  dramatic recall | Football | Sport | Express.co.uk

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For Man Utd, injuries and off-field issues are major obstacles. The Red Devils are most negatively impacted by Casemiro’s performance, though.

The Brazilian player, who was a regular last season, is progressively fading into insignificance. The former Real Madrid star struggled against Roberto De Zerbi’s squad, passing only 79% of the time and frequently losing the ball.

Casemiro’s passing ability has been unusually poor this season, only breaking the 85% mark once in a loss to Arsenal.

In Brazil’s 1-0 win over Peru, Casemiro was even criticized by the domestic press. Casemiro’s success rate in duels is always high, but not this season.

Against Brighton, he only won 50% of duels, while against Tottenham Hotspur it was 44%, and against Arsenal, this number was only 33% (according to Sofascore).

Coach Erik ten Hag should try to ease the pressure on Casemiro and arrange a defensive midfielder next to this player, at least in big matches.