Lionel Messi officially announced his retirement from the Argentina national team on Monday, ending a 21-year international career highlighted by 125 goals and the 2022 World Cup victory. The decision leaves the future of a team that reached the World Cup final just six weeks ago uncertain and facing significant challenges.

Messi, who made his senior debut in 2005, became Argentina’s all-time leading scorer and set records for the most matches played (34) and most victories (23) in World Cup history. At 39 years old, his retirement was expected, but the news still resonated deeply among teammates and fans, particularly younger players who have looked up to him for years.

“I gave it my all; I have nothing left to give,” Messi wrote in an Instagram post. “Besides, there are young players coming up who deserve to be here.” Among those is 25-year-old midfielder Enzo Fernandez, who debuted months before the Qatar World Cup and expressed a personal sense of loss. “It’s hard for me to picture the next training camp without you ... We’re going to miss you dearly, Captain,” Fernandez said.

Argentina now faces the challenge of replacing a global football icon. Comparisons have been drawn to the post-Diego Maradona era following his 1994 World Cup suspension, a period that led to a 36-year wait before Argentina lifted the World Cup again. Jorge Valdano, a 1986 World Cup champion and sports columnist, highlighted the deep football culture in Argentina that fosters talented players, though he noted that replicating Messi’s unique combination of skill and social circumstances is highly unlikely.

Currently, no Argentine player matches Messi’s technical brilliance, but several young prospects are vying to fill the playmaker role. Nico Paz and Thiago Almada, who both appeared in the recent World Cup alongside Messi, are considered potential successors. Paz was named Serie A’s best midfielder last season with Como, while Almada, after starting early in the tournament, recently transferred from Atletico Madrid back to River Plate.

Throughout Messi’s later years, injury concerns limited his national appearances, leading coach Lionel Scaloni to adjust tactics, often pairing forwards Julian Alvarez and Lautaro Martinez and utilizing Almada or Paz in midfield. Argentina maintained a strong record without Messi, but his performances in Qatar demonstrated his continued importance to the team.

In addition to finding a new captain and playmaker, Argentina faces uncertainty regarding its head coach. Scaloni, who has overseen Argentina’s most successful football era with two Copa America titles and the recent World Cup final appearance, suggested he may step down after the final loss to Spain. His contract runs through December, and retaining him through the transitional period is considered crucial.

Argentina’s next major challenge will be the 2028 Copa America, a tournament that could serve as a litmus test for the team’s ability to evolve after Messi’s departure and potentially Scaloni’s tenure.