NWSL updates heat and time-wasting rules

The National Women’s Soccer League has revised its competition rules ahead of the league’s return from its June break, introducing measures designed to reduce time-wasting and simplify its response to extreme heat.The changes take effect from June 26 and will first apply during the 2026 NWSL Challenge Cup.Players who require medical staff to enter the pitch after a potential injury may now have to remain off the field for one minute after play restarts.The treatment period will be timed by the fourth official, with the referee responsible for signalling when the player can return.Exceptions include potential head injuries, goalkeeper injuries, collisions involving two players from the same team and incidents resulting in a yellow or red card.The measure is intended to discourage players from using apparent injuries to interrupt play while allowing medical staff to complete assessments away from the pressure of an active match.A new timed substitution rule will require players being replaced to leave the pitch within 10 seconds.Failure to meet the deadline will prevent the substitute from entering until the first stoppage following a one-minute delay. The team will play with one fewer player during that period.Both measures were developed in North American men’s football before being incorporated into the wider Laws of the Game and used at the 2026 FIFA World Cup.Their adoption gives the NWSL a clearer mechanism for protecting effective playing time, which can support the league’s broadcast product by reducing unpredictable delays.The league has also simplified its hydration break policy after feedback suggested that the previous five-minute stoppages were too long.Mandatory breaks will now last between two-and-a-half and three minutes when Wet Bulb Globe Temperature readings are between 82.3F and 92.1F.Matches will continue to be delayed when readings reach or exceed 92.1F. The wider heat safety policy remains unchanged.The adjustment follows controversy around a Kansas City Current match against Orlando Pride in August 2025, when extreme temperatures caused a delay of more than three hours.The uncertainty affected players, supporters and broadcasters, with the match losing its original television slot and moving to streaming.Standardising the duration of hydration breaks should make match operations more predictable, although the NWSL will continue to face scheduling tensions when summer daytime kick-offs are selected for broadcast purposes.Unlike FIFA’s World Cup policy, the league will not introduce hydration breaks in every match regardless of conditions.The NWSL has also expanded its Fan Code of Conduct to cover social media and other digital platforms.Threats, harassment, discriminatory language and abuse directed at players, clubs, officials or supporters are now explicitly included within the policy.The four changes were developed with the NWSL Players Association, clubs, medical personnel, competition staff and the Professional Referee Organization.Their effectiveness will be assessed during the second half of the season, with the league required to balance player safety against its objective of delivering faster and more predictable matches.