While all eyes will be on both the legends in the World Cup, football enthusiasts will also keep a close eye on other stars who could be heirs to the Ronaldo and Messi legacy. The Qatar edition of the coveted event will witness several sensational youngsters in action, like Kylian Mbappe, Vinicius Junior, Bukayo Saka, etc. However, when great Brazilian footballer Kaka was asked who would be the successor to the two superstars, his pick surprised many.