Roberto Martinez explains why he refused Cristiano Ronaldo substitution after Portugal’s World Cup exit

Roberto Martinez insists he had no plan to substitute Cristiano Ronaldo against Spain (AP Photo)Roberto Martinez insists substituting Cristiano Ronaldo would have been against his strategy after Portugal’s World Cup defeat to Spain.Portugal are out of the World Cup after Mikel Merino’s goal in the 91st minute sealed the win for Spain, who will now play Belgium in the quarter-final on Friday.Ronaldo, meanwhile, struggled to make an impact against Spain but was left on the pitch for t