October 9, 2026
Concussion substitutions in football: why the change is permanent
The IFAB protocol allows an extra substitution for actual or suspected concussion. It has limits, and competitions must choose to use it.
Sport
October 4, 2026
VAR checks: why the referee does not always visit the monitor
Football’s video protocol distinguishes a routine check from a review, and a factual decision from a subjective judgement.