The legendary left-back feels that his former Selecao and Real Madrid team-mate could do it all despite playing in a far tougher era for forwards
Roberto Carlos says that there will never be another Ronaldo, arguing that not even Lionel Messi, Crisiano Ronaldo or Neymar compare to his former Brazil team-mate.
After announcing himself to the football world with a sensational 1996-97 campaign at Barcelona, Ronaldo was subsequently hindered by knee problems over the next five years.
He returned to full fitness, however, in time to fire Brazil to victory at the 2002 World Cup, with his heroics in Japan and South Korea earning him a move Real Madrid.