Manchester United won't let Axel Tuanzebe leave the club if they don't sign Harry Maguire.
Newcastle boss Steve Bruce is keen on a reunion with the 21-year-old after signing him while in charge of Aston Villa.
Tuanzebe has impressed mightily in preseason and Ole Gunnar Solskjaer will use him in his squad if Leicester star Maguire isn't signed.
The Daily Mailsays United would allow the defender to leave Old Trafford if another centre-back arrives.
Bruce is looking to bolster his Newcastle defence before the season begins next weekend.