Manchester City have identified Ola Aina as a potential replacement for Kyle Walker, according to The Sun.
Walker, 34, is nearing the twilight of his career and City are already looking for a long-term successor.
Aina has been one of the standout performers for Nottingham Forest in the Premier League this season.
The 27-year-old has scored twice in 19 league appearances for Forest in the current campaign.
The Nigeria international can operate both as a right-back and left-back.
The Chelsea academy product has six months left on his contract at Nottingham Forest.
