Mário Zagallo
Zagallo started his coaching career at Botafogo, the club he had finished his career with, managing them alongside the Brazil national team. Zagallo won the World Cup as a manager in 1970, and as assistant coach in 1994, both with Brazil. He was the first person to win the World Cup both as a player and as a manager. Winning the World Cup in 1970 at the age of 38, he is also the second youngest coach to win a World Cup, after Alberto Suppici, who won aged 31 with Uruguay in 1930.