Alexis Sanchez says he "would like to have brought more joy" to Manchester United after failing to impress at Old Trafford since joining the club from Arsenal in January 2018.
The Chilean also says he is concerned by the form he's displayed for the Red Devils in an interview with Guillem Balague for BBC Sport.
"I'm a player that, if I'm not in contact with the ball, I lose that spark, and sometimes I want to play in every game. You're in, you're out, and I'm used to playing.