Troy Deeney believes Marcus Rashford is setting a bad example for Manchester United's young players.
The 27-year-old has struggled for consistent form so far this season.
His attitude during matches has also been questioned by fans and pundits as United's problems continue.
Rashford He has not scored in any of his last seven Premier League games, sparking fresh speculation that he needs a new challenge.
Paris Saint Germain have has previously been linked to a movement but the winger still has more than three years left on his contract at Old Trafford.
Discussing your situation, Deeney told Breakfast: “For a while now, let's be honest, it hasn't met the standard we know it can achieve.
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“When I see what happened with Garnacho over the weekend, he scores and is a bit grumpy because some fans have decided to follow his case or whatever.
“I think that's because of Marcus too and hear me out on this when Marcus is hugging and the world owes him a favor.
“What if you're a young player and you admire him? Why wouldn't you say 'well, I'm going to act the same way'?”
Alejandro Garnacho refused to celebrate after scoring in Sunday's 3-0 home win over Leicester.
His goal came a few days after being criticized by a fan outside Old Trafford.
Meanwhile, Rashford has just four goals and three assists in 18 games this season.
He also remains sidelined for England after being snubbed once again by Lee Carsley this month.
He United The youth player has not played with the Three Lions since March.
Instead, Rashford is ready to train with a new coach. Ruben Amorim for the first time next week.
The Portuguese will make his debut on the Ipswich bench on November 24.