Repeated again in 1952 , 1976 .
This year , 2008 , after coming back from a 0 - 2 deficit against Chilean giants , Colo Colo , to win 3 - 2 on aggregate .
repeated again in 1952 , 1976 and this year , 2008 , after coming back from a 0 - 2 deficit against Chilean giants , Colo Colo , to win 3 - 2 on aggregate .