Lionel Messi leads Argentina as the team begins its World Cup title defence with a group-stage match against Algeria. Multiple outlets report that Messi is participating in his sixth World Cup and is central to Argentina’s campaign as they open their Group match schedule. The match marks Argentina’s debut in the tournament, with Argentina looking to start their campaign after winning the previous World Cup. Algeria is the opponent in Argentina’s first group game, setting up an early test for Argentina in the standings. The coverage notes that Messi is back for the tournament and is expected to play a key role for Argentina throughout the competition, consistent with his leadership on the pitch. With Argentina and Algeria facing off in the group stage, the result carries immediate implications for both teams’ progress in the group round.