Brandon Williams admits he is still lacking match fitness but believes he can still play a key role for Manchester United in the second-half of the season.
The 22-year-old has yet to appear in a competitive match for United this campaign, though he did play for Erik ten Hag's side during their warm-weather training camp in Spain.
United put in a much-improved performance against Betis on Saturday night after their midweek defeat to Cádiz, but lost to a well-worked goal from Nabil Fekir.
