The 22-year-old has caught the eye with his performances for Monaco this term.
Manchester United courted his services, and Jose Mourinho mulled over a bid for the holding midfielder last month.
Mourinho is expected to reignite his interest, especially if Michael Carrick were too leave at the end of the season.
Chelsea meanwhile are looking to strengthen their squad, with Antonio Conte eyeing a long-term replacement for Cesc Fabregas.
Tiemoue Bakayoko is on Manchester United's agenda
Jose Mourinho wanted to sign Tiemoue Bakayoko in January
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However, France Football claim Monaco have slapped a £52million price-tag on Bakayoko’s head.
Juventus are also believed to be monitoring his situation.
His team-mate Kylian Mbappe has also been talked up with a switch away from the Ligue 1 giants in the summer.