Career
Cazsely played for several football teams in his career, including Colo-Colo (1968–1973), Levante UD (1973–1974), RCD Espanyol (1974–1978), finally returning to Colo-Colo (1978–1983). Red and yellow cards had already been introduced in the past World Cup (1970). In the 1982 World Cup he missed a penalty against Austria.
He was revered by many Chileans as a supporter of the left under the Pinochet dictatorship and as one of the few leading Chilean football players to declare his opposition to the regime.
Today he works as a host for several sport related television shows on Canal 13, a Chilean-based television station and plays football at amateur level for a team called "Colo-Colo 1973", composed of former Colo-Colo players. Participation in the World Cup Club Individual.