FIFA unveils connected ball, AI avatars and tighter offside for 2026 World Cup

On June 6, tournament organisers detailed a package of new officiating, tracking and broadcast technologies set for the 39-day World Cup across the United States, Mexico and Canada. The Adidas Trionda match ball will include an embedded sensor that streams data to the video assistant referee (VAR) team at all 104 matches. Officials said the upgrades aim to deliver faster checks, clearer explanations and more consistent visuals for fans in stadiums and on television.

The connected ball houses an inertial measurement unit sampling movement 500 times per second, tracking position and acceleration in three dimensions. The data links the precise moment of contact to VAR, targeting cleaner offside frames and quicker checks. Because the sensor operates continuously, the system can provide time-stamped contact points across multiple decision types, including tight offside judgments and potential handball touches.

Organisers said broadcasters will receive synchronised video and data feeds that align live inputs and graphics during stoppages and reviews. The aim is to standardise key reference points, speed up reconstructions of phases of play and make outcomes easier to follow. Officials stressed that the new systems support, rather than replace, the referee’s discretion on final calls and are intended to present decisions more transparently to fans.

System tests are expected to continue in the build-up, focusing on synchronisation, response times and how the new inputs affect match flow when used under World Cup pressure. Officials said the roll-out is designed to be incremental and consistent across venues so that VAR teams can reproduce decisions reliably from stadium to stadium.

Connected match ball and VAR alignment

Cleaner contact frames for offside

Officials expect clearer alignment between the instant of contact and the offside frame to reduce disputes over marginal calls. A more precise contact reference should also cut the time required to assemble evidence during reviews and help VAR teams reach decisions more consistently across stadiums.

Synchronised feeds for broadcasters

Broadcast partners will receive unified video and data packages designed to keep replays and graphics aligned with the decision-making sequence. Organisers said this should make stoppages and interventions easier to follow and reduce confusion during complex checks for both commentators and fans.

AI avatars and tighter offside alerts

3D scans to bolster player tracking

AI-enabled 3D player avatars, generated from rapid digital scans, will provide detailed body-part dimensions to improve tracking during fast or partially obscured movements. The avatars will also feature in host broadcast graphics to visualise decisions for fans and present offside explanations more intuitively.

Real-time notifications to referees

The upgraded semi-automated offside system will alert when a player is more than 10 cm offside, a tighter threshold than the previous 50 cm benchmark. Referees will receive immediate audio notifications in their earpieces to support quicker on-field decisions, with final judgment remaining with match officials.

Referee cameras and security planning

Body-worn cameras for new angles

Referee body-worn cameras are planned for all matches to add new perspectives to coverage. Organisers described the cameras as complementary to existing broadcast and review systems, giving viewers a closer sense of the match environment without changing how referees manage games.

Robotic support units in Mexico

Security planning includes four-legged robotic units operated by local police in Guadalupe, part of the Monterrey metropolitan area. City authorities said the robots, purchased for 2.5 million pesos (about $145,000), are designed to enter risky locations and transmit live video back to command centres before officers intervene. Officials described the deployment as a support measure to protect personnel during initial assessments rather than a replacement for human responders.

Organisers said further integration work will continue ahead of kickoff, with attention on how the technology affects stoppage lengths and communication clarity during high-pressure VAR checks.