Knockout Stages
The last four stages of the tournament (round of 16, quarterfinals, semifinals, and finals) form a single-elimination tournament, commonly known as a knockout stage. Sixteen teams advanced into the first of these stages: the third stage.
Read more about this topic: Copa Libertadores 2009
Famous quotes containing the word stages:
“The playing adult steps sideward into another reality; the playing child advances forward to new stages of mastery....Child’s play is the infantile form of the human ability to deal with experience by creating model situations and to master reality by experiment and planning.”
—Erik H. Erikson (20th century)