Football, and form, can turn in an instant - just ask Al Hilal duo Marcos Leonardo and Malcom. Up until half-time of the revamped FIFA Club World Cup, Round of 16 clash with Manchester City, the

Substitute Hercules struck a 70th-minute winner as Brazil's Fluminense defeated Saudi Arabia's Al Hilal 2-1 on Friday to reach the semi-finals of the Club World Cup.Rio club Fluminense could yet face an all-Brazilian semi-final if their rivals from Sao Paulo,

Matheus Martinelli and substitute Hercules struck as Brazilian side Fluminense advanced to the Club World Cup semi-finals with a 2-1 win over Saudi club Al-Hilal.Martinelli fired into the top corner after finding some room in the box following Gabriel Fuentes' cutback five minutes before half-time although they were quickly pegged back in Orlando.