MANCHESTER UNITED new boy Leny Yoro was seen using crutches and wearing a protective boot at the club’s Los Angeles training base this week.

The 18-year-old was forced off during United’s pre-season friendly against Arsenal on Saturday.

Leny Yoro suffered an injury against Arsenal at the weekend

The 18-year-old was seen on crutches at United’s training base

He was also wearing a protective boot

He appeared to suffer a non-contact ankle injury during the first half and limped off with assistance from a physio.

Erik ten Hag admitted he and his team were “especially careful” with Yoro in the build-up to the match as he had only completed a few training sessions.

While he remained hopeful the injury would not be serious at the time, the French defender has since been seen using crutches.

He was also spotted wearing a protective boot at United’s UCLA training base in California.

He is expected to miss up to three months which would include the first two months of the Premier League season.

Yoro will undergo further tests when the squad return to the UK in order to determine the full extent of the injury.

Yoro joined Man Utd in a £52million transfer from Lille earlier this month.