Manchester United defender Joe Riley has returned early from a loan spell with Sheffield United after dislocating his shoulder a freak accident in training.
The 20-year old made his debut for the League One leaders last week in their 0-0 draw at Bristol Rovers. However, he fell over in training and damaged his shoulder prompting the return to United for treatment.
He will undergo a second scan at United's Carrington training ground in the next few days.
Sheffield United manager Chris Wilder said: 'It's was a bit of a freak accident in training.