Dunga worried by Kaka's yellow cards
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Brazil coach Dunga admitted Kaka's yellow cards were a concern as they are bidding to win the World Cup for the sixth time.
The former world player of the year picked up his third booking of the tournament as Brazil eliminated Chile 3-0 in the last 16 at Ellis Park on Monday.
A two-goal blitz in the first half and an hour-mark goal ensured Dunga's side a quarterfinal meeting on Friday with the Netherlands, who beat World Cup debutants Slovakia 2-1 in Port Elizabeth the same day.
Kaka, who was back from a one-match suspension for his red card against Cote d'Ivoire, again was booked after hacking down Arturo Vidal in the 30th minute, facing the threat of another expulsion for his remaining time on the pitch.
Dunga admitted Kaka's run of yellow cards at the World Cup was annoying.
"Yes, it is a problem, I don't want Kaka to be left suspended, the technical players are punished and those who commit fouls aren't," Dunga said.
"This started in the group stage, we are going to talk to Kaka about this, we don't want to get bogged down on the issue of yellow cards."
