Due to his hip flexor injury, Cristiano Ronaldo was unable to train with the rest of the Manchester United squad on Thursday.

Additionally, the Portuguese legend missed his team's humbling 4-1 loss to rivals Manchester City at the Etihad Stadium on Wednesday and the match itself.

United's Carrington training complex has been frequented by Cristiano Ronaldo this week as he continues his recovery from injury.

One goal in eight Premier League games hasn't been enough for the veteran, who is said to be contemplating his United future.

Two games against Aston Villa in January were canceled because of a hip issue that threatens to sideline him for the rest of the season.

On Thursday, Edinson Cavani took part in first-team training with the rest of the team ( Image: Manchester United via Getty Imag)

Ralf Rangnick, the interim manager, remarked after the defeat to Manchester City on Sunday, "I have to trust my medical department."

It was confirmed by my doctor that Cristiano Ronaldo was unable to train on Friday due to hip flexor issues, and the same was true on Saturday, which is why he was left out of the team.

Roy Keane, Ronaldo's former teammate, was skeptical about the player's injury.

Ronaldo's hip flexor injury is a surprise, but United still have some pace and must come out and play with pride and quality, according to Keane, according to Sky Sports.

"Elanga is a talented footballer who is also a positive person.

"Ronaldo's management has come out and said something about his hip flexor, but the man is a machine and rarely gets injured. There seems to be more to the Ronaldo story.

"But he keeps bringing up his hip flexor," I said. "That doesn't stack up."

Raphael Varane and Edinson Cavani trained with the rest of the team on Thursday morning, despite the absence of Cristiano Ronaldo.

Varane has been out of action since February with a groin strain and missed the loss to Manchester City because of it, but he is finally back in the fold.

It's a must-win game for Manchester United against Tottenham, who can leapfrog the Red Devils if they win at Old Trafford.

One point separates Manchester United from fourth-placed Arsenal, who have played three fewer games.

On top of that, Rangnick's team faces Atletico Madrid in the Champions League on Tuesday night. Their last chance to win a trophy this season is at stake in this competition.