Dede, formerly known as Leonar do dos Santos,1was born in April 1978 in belo horizonte, Brazil, with an avant-garde position. His football career began at Atletico mineiro, 1996 joined the first team of Atletico mineiro, and 1998/99 joined Dortmund. Since joining the team, he has been the absolute main force of the team's midfield and helped the team win the Bundesliga championship in the 200102 season. 20 10-20 1 1 season, in the last season of playing for dortmund, Dede won the Bundesliga championship again.