Bet Stars have slashed odds on the Red Devils signing the Turkish international with United clear favourites for his signature at 15/8.
United boss Jose Mourinho is keen on bringing Fenerbahce star Tufan to Old Trafford over the summer according to according to Turkish newspaper Hurriyet.
The Newcastle Cronical reports that United have been scouting the 21-year-old midfielder over the past 12 months.
Tufan starred for Turkey in Euro 2016 and despite his countries elimination from the tournament he remains the youngest goalscorer in the current competition following his incredible strike in the 2-0 win over the Czech Republic.
Fenerbahce signed Tufan from Bursaspor last season and value the promising midfielder as being worth €20 million. Tufan provided three assists and scored one goal in 43 appearances for the Yellow Canaries last season.