South American qualifying leaders Uruguay thrashed Chile to shrug aside any 11/11/11 ill omens, though it was a lean day for Argentina, Colombia and Ecuador.
Following 120 goalless minutes in which La Albirroja rode their luck, they beat Venezuela 5-3 on penalties to become the first team in history to reach a Copa America final without winning a match.
As Paraguay and Venezuela, who played out a 3-3 thrilled in the group stage, prepare to battle for a place in the decider, FIFA.com weighs up an intriguingly open-looking semi-final.
Club America remain fourth in the Mexican Apertura overall standings after going down 1-0 at home to Unam Pumas, while Morelia and Puebla shared a six-goal thriller.
Pachuca and Cruz Azul will contest the CONCACAF Champions League final after completing aggregate wins this week in the all-Mexican semis.
A jubilant Paraguay side confirmed their growing stature by clinching a fourth consecutive FIFA World Cup finals appearance on Wednesday.