"He is a wonderful player", the 46-year-old told Sky Sports News.
Jose Mourinho is keen on bringing Willian to Manchester United this summer and it's understood the Brazilian will push for a switch should Conte stay on at Chelsea.
Do you think Fred will be successful in a United shirt?
"Official club announcement in due course".
Fred was handed a two-year ban between July 2015 and July 2017 after he tested positive for the diuretic hydrochlorothiazide during Copa America.
Scroll down to see Jose Mourinho's World Cup predictions.
United are in need of midfield reinforcements with Michael Carrick retiring and Marouane Fellaini out of contract.
Tite said on Sunday: "If I were a coach I would try to sign him too". "They have experience, they have top players, they have the right mentality".
Juan Mata cost United £40.26 million (R690.86 million) in 2013, while midfielder Nemanja Matic cost the club £40.23 million (R690.34 million) previous year.
'I was happy with my performance during the season, I played very well I always try to do my best and work hard, ' he said.