Argentina's football season shifts into high gear this weekend as the Apertura tournament kicks off its knockout phase, setting the stage for three weeks of drama. Here's everything you need to know as Argentina's top clubs chase glory. WHAT IS THE APERTURA? The Apertura or "Opening" tournament is half of Argentina's split-season format, which was reintroduced in 2025 after its last implementation in 2012. It runs from January to June and is followed by the Clausura or "Closing" tournament from