Messi’s sidekick Julián Álvarez flourishing at the World Cup

DOHA, Qatar (AP) — This season has been quite an education for Julián Álvarez. From being the understudy to Erling Haaland in his first year at Manchester City to being the sidekick to Lionel Messi for Argentina at the World Cup , Álvarez is learning from the biggest stars in soccer.