Faroe Island coach Lars Olsen has revealed Sergio Ramos' weakness ahead of European qualifiers.
Olsen led Denmark to Euro championship as a captain, the manager analysed the Real Madrid's defender style.
"He is a special player, one of the best defenders in the world," he said.
"He is very strong, but sometimes he is a little clumsy in his style and picks up some red cards that could be avoided.
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"I do admire him a lot."
Olsen hopes his players can perform better than they did in Thursday's 4-0 loss to Sweden.
"We played a really bad game against Sweden, especially in the first half," he said.
"I hope it'll be different in this match.
"There is no doubt that Spain is the best team in the group and they'll have the ball almost all match.
"It'll be very very difficult for us."