Bluebirds boss Neil Warnock admits he wants to sign Ampadu in January.
Warnock said: “I think they should loan us him.
“Like Tammy Abraham, that was out this week. If they could get good players playing in the Premier League, that would benefit their development.
“Managers now, you have such a short time span in your job, you don't worry about kids. When you can spend £150 million, you're not going to worry about leaving out kids."