Fred has come in for high praise from Brazil's sports scientist for his remarkable work rate.
Combative midfielder Fred is one of 16 Manchester United players in Qatar for this winter's World Cup and unlike Christian Eriksen or Hannibal Mejbri he will be remaining past the group stages. The Selecao have cruised into the knock-outs with a match to spare after winning their first two games against Serbia and Switzerland.
Fred is on a booking so is unlikely to start in the final match against Cameroon on Friday to not risk suspension in the last 16 but is likely to play a key role for Tite's side as the tournament progresses, likely because of the high energy and intensity he brings in midfield.