The Daily Mail is reporting that the Red Devils are closing in on a summer deal for the Shakhtar Donetsk midfielder ahead of the World Cup.
The same article states that Fred’s arrival will push Herrera down the pecking order at Manchester United ahead of the 2018-19 Premier League season.
According to the same story, the Brazil international’s impending transfer suggests that Marouane Fellaini will leave Old Trafford on a free transfer this summer.
Fred helped Shakhtar Donestk to reach the Champions League round of 16 before a narrow loss to Serie A giants AS Roma.
The Brazilian midfielder has scored 14 goals in 150 appearances over the past five seasons at the Ukrainian Premier League champions.
Fred has made eight appearances for A Selecao and the South American midfielder is part of Tite’s current World Cup squad.
Manchester United finished in second place in the Premier League table last season to secure their best finish since Sir Alex Ferguson retired in 2013.
The Red Devils lost 1-0 to Chelsea FC in the FA Cup final at Wembley last weekend.
MORE: Man United latest news
MORE: Arsenal latest news
MORE: Chelsea latest news
MORE: Liverpool latest news