River Plate and Argentina's Monumental home were treated to an intriguing 90 minutes of football on Friday evening, as the Albiceleste and Colombia pushed hard, but eventually had to settle for a 0-0 draw. A share of the points left neither team too upset, as they stay on course for qualification.
It was a game full of talking points, one which had a packed stadium on the edge of their seats, as they witnessed a red card for each team, a host of chances and no less than three disallowed goals. Indeed, the only thing lacking from the action was a decisive winner, which, for either of the combatants, would have all but sealed their passage into Brazil 2014.
Having negotiated the way back home from Nunez, weaving through hordes of yellow and blue shirts, Bleacher Report brings you the most important lessons to emerge from the latest South American action.