It has been reported that Tottenham are admirers of Maddison and will look to sign him at the end of the season.
The report has also claimed that Liverpool and Southampton are interested in securing the services of the former Coventry City youngster.
The 21-year-old attacking midfielder is one of the best young players in the Championship.
The England Under-21 international has scored six goals and provided five assists in 22 Championship starts for Norwich so far this season, according to WhoScored.
Norwich are not having a great season in the Championship at the moment and are set to miss out on a place in the playoffs this season.