The 25-year-old midfielder was heavily linked with an exit from the club in the summer, with Barcelona reportedly targeting United's club-record signing.
'I've played a 23s game there for Liverpool but not a first-team game, so I'm really looking forward to going there and putting in a good performance, ' he said.
Asked about what is stopping the team from playing the way fans are often crying out for at Old Trafford, he said: "I can't tell you because I'm a player".
Manchester United at home against Derby County of the second-tier should, on the face of it, be a regulation League Cup third round task for England's biggest football club.
European Union pledges 'legal entity' for trade with Iran
Iran has not requested a meeting with the USA president, a spokesman for Iran's mission to the United Nations said on Tuesday. US Secretary of State Mike Pompeo arrives for the signing of a trade agreement with South Koreak in NY on September 24, 2018.
'I think if we play the way we have in the past couple of games, we can go there and get a positive result.
And the World Cup-winning midfielder claimed his words after the Wolves match have been taken out of context.
"I'm not the manager, I can not, like, say that, but obviously we should show more options of playing".
The defender made more appearances than any other central defender under Jose Mourinho last season and has been one of the club's best performers during the early stages of the 2018/19 campaign. "Don't get me wrong, the club have supported Jose Mourinho and given him a lot of money, but you can not go half-hearted".
Who is to blame for United's problems? "When I saw we were coming to the sixth and seventh penalty with Phil Jones and (Eric) Bailly, I knew we were in trouble".