Between 1950 and 1966, Brazil was successful despite concern over its tactics, and won the World Cup in both 1958 and 1962. It had been understood that Brazilian football would sell itself short by choosing tactics over technique. As a result, national coaches gave players a lot of freedom and made the tactical arrangement as flexible as possible. In the 1960s and 1970s, the world's best players often from Brazil. To make the most of the qualities of players like Garrincha and Valdir Pereira, tactics were developed to provide enough room for the creativity and artistry that typified Latin American football. On the evening of the 1970 World Cup Final, João Saldanha, head coach during the qualification process, asked why he felt that the football played in Brazil was the best in the world. He suggested it was due to four factors: