What happened: Argentina coach Lionel Scaloni has named Lionel Messi in the national team's World Cup squad, according to a report. Scaloni moved to calm fears over the captain's fitness as he confirmed the selection.

Why it matters: Messi's availability is central to Argentina's campaign, and his inclusion settles questions raised after his recent early exit from an MLS match. Keeping the captain fit through the tournament is the priority for a side built around him.

What to watch: Watch for official confirmation of Messi's fitness and his expected role in Argentina's opening fixtures.