Argentina captain Lionel Messi reached another major milestone in his legendary career by making his 200th appearance for Argentina during the team's FIFA World Cup 2026 Group J opener against Algeria at Kansas City Stadium. The landmark came as the defending world champions began their title defence, with Messi leading the side as captain.At 38, Messi became only the third men's footballer to reach 200 international appearances, joining Cristiano Ronaldo, who has 228 caps, and Bader Al-Mutawa, who has made 202 appearances for Kuwait. Since making his senior debut for Argentina in 2005 as an 18-year-old, Messi has scored 117 goals in 200 international matches.During the match against Algeria, Messi has also become the second player to score in five World Cups. His goal came 20 years to the day that Messi made his World Cup debut for Argentina in a match against Serbia and Montenegro.He scored in that game, too.Cristiano Ronaldo also has scored in five World Cups. He is set to play in his sixth when Portugal opens against Congo on Wednesday.Lionel Messi's International Career AchievementsMessi's trophy cabinet includes the 2022 FIFA World Cup, the 2021 Copa América and the 2024 Copa América. He is also the only player to have won the FIFA World Cup Golden Ball twice, claiming the award in 2014 and 2022.The FIFA World Cup 2026 marks Messi's sixth World Cup appearance, a record he shares with Cristiano Ronaldo. Mexico goalkeeper Guillermo Ochoa has also been named in a sixth consecutive World Cup squad.Messi Holds Multiple FIFA World Cup RecordsMessi entered the Algeria clash already holding several World Cup records. No player has featured in more World Cup matches than his 26 appearances, while his 2,314 minutes remain the highest total recorded in tournament history.His 13 World Cup goals place him among the competition's all-time leading scorers. Only Miroslav Klose, Ronaldo Nazário, Gerd Müller and Kylian Mbappé have scored more goals at the FIFA World Cup.Messi also shares the record for most World Cup goal contributions with Pelé at 21. He remains the only player to have scored in every stage of the tournament, including the group stage, round of 16, quarter-finals, semi-finals and final.From World Cup Debut to World ChampionThe defining moment of Messi's international career came at the 2022 World Cup in Qatar, where he captained Argentina to the title. He scored twice in the final against France, won the player-of-the-match award and converted his penalty in the shootout as Argentina secured a 4-2 victory after a 3-3 draw.Before lifting the trophy, Messi guided Argentina to the 2014 World Cup final in Brazil, where he won his first Golden Ball award.His World Cup journey began at the 2006 tournament in Germany, where he became Argentina's youngest World Cup goalscorer against Serbia and Montenegro. The then-18-year-old scored once and provided an assist in Argentina's 6-0 victory.Argentina's Title Defence and Messi's LegacyTwenty years after his World Cup debut, Messi entered the Algeria match as the most experienced player in World Cup history. His journey has taken him from teenage prodigy to global superstar, from Olympic gold medallist at Beijing 2008 to World Cup-winning captain.Argentina arrived in Kansas City aiming to become only the third nation to successfully defend a World Cup title, with Messi remaining central to those ambitions.While records and milestones continue to accumulate, Messi's 200th appearance for Argentina highlights the consistency, longevity and excellence that have defined his international career. The historic appearance against Algeria added another chapter to a career that has already secured his place among football's greatest players.