The 20-year-old is currently on loan at the newly promoted Ligue 1 side from Portuguese outfit Rio Ave, and has been in fine form this season.
He is widely expected to leave his parent club at the end of the season to make a big move to one of Europe’s top leagues, and both Arsenal and City are keen to offer him just the opportunity he craves.
The Premier League duo are said to have had scouts watching the right-back over the course of the past few weeks, and have been impressed with what they have seen.
Arsenal are thought to be leading the race, with Arsene Wenger desperate to line up a new right-sided defender.
Bacary Sagna is set to move on from the Emirates Stadium at the end of the season once his contract expires, which will leave the Gunners short on options in the position.
Meanwhile, Manuel Pellergini is also keen as he looks to build his squad to compete for domestic and continental honours.
Arsenal or Manchester City? Which would be a better club for Fabinho?
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