The 2026 World Cup has seen an unusual spate of long-range goals, pushing the goals-per-match average to a 60-year high. Behind the numbers lies the Adidas Trionda, the official ball, which goalkeepers accuse of swerving unpredictably. Former England internationals Joe Hart and Paul Robinson blame the ball’s sudden acceleration and the effects of varied North American playing conditions: air-conditioned domes, altitude in Mexico City, and humid heat. Israeli media have labelled it ‘the new Jabulani’, while Argentina’s Luca Zidane was left reeling by a Lionel Messi effort.

The Trionda is the most sensor-laden World Cup ball in history. A 500Hz chip from German firm Kinexon, mounted in one of the four panels, emits real-time data to VAR to pinpoint offside and touches. Counterweights in the other panels maintain balance. Persian-language outlets detailed the engineering needed to prevent the side-mounted chip from disrupting flight. Analysts in Buenos Aires note that this connected ball operates within a broader architecture of AI tactical tools and semi-automated offside, making the tournament a proving ground for sports tech.

Even Nasa weighed in. Astronauts on the ISS tested the Trionda in microgravity to study its centre of mass, repeating a 2019 experiment. The US agency said the zero-G environment offered purer aerodynamic data, and drew parallels between orbital mechanics and a bending free-kick. Viewed from Washington, the exercise served both product validation and public engagement.

The ball’s name, Trionda, is Spanish for ‘three waves’, echoing the three host nations whose emblems — maple leaf, eagle, star — are stamped onto its four-panel polyurethane shell. Deep seams and micro-textures are meant to improve flight stability and grip, yet keepers have struggled with its behaviour.

Hart expects keepers to adjust as the tournament moves into the knockout phase. But with matches still to play in variable conditions, the Trionda’s reputation hangs in the balance.