The FIFA World Cup 2026 proved to be as competitive off the pitch as on it, with players' Instagram accounts surging dramatically throughout the tournament. Norwegian striker Erling Haaland gained the most new followers in raw terms — 32.1 million, a 79% increase — capitalising on Norway's first World Cup appearance in 28 years, while Cape Verde goalkeeper Fouzinho (Josemar José Évora Dias) produced the tournament's most extraordinary digital story, rocketing from just 30,000 followers to nearly 30 million after a string of commanding performances, including a clean sheet against Spain, representing a growth rate of roughly 98,000%. The surge underscores how the modern World Cup now functions as a global commercial launchpad: established stars like Cristiano Ronaldo, who added 11.4 million followers to his already record-breaking 665 million, and younger talents like Spain's Lamine Yamal and England's Jude Bellingham also recorded significant gains, demonstrating that tournament success now translates directly into digital influence and sponsorship value far beyond the final whistle.