Kaka has rejected claims by the doctor who operated on his knee that the player put his career in jeopardy by playing at the World Cup in South Africa.
The doctor who recently performed surgery on Kaka's knee said the Real Madrid forward put his career at risk by playing for Brazil at the World Cup.
Brazil defeated North Korea, but it exposed plenty of weaknesses along the way, Leander Schaerlaeckens writes.
Brazil-North Korea preview notes
Kaka had arthroscopic knee surgery Friday and will miss Brazil's upcoming exhibition tour to the United States.