The National Basketball Association is testing a new "one free throw" rule and sensor-equipped basketballs during the 2026 Summer League [1].

These trials represent a significant attempt to modernize the pace of professional basketball. By reducing the number of free throws and integrating real-time data collection, the league aims to minimize game stoppages and gain deeper insights into player performance.

The testing takes place during the 2026 Summer League in July [2], with games primarily held in Las Vegas, Nevada [3]. The "connected" basketballs utilize embedded sensors to track movement and ball physics, providing a level of data granularity previously unavailable in live game settings.

League officials said they are using the Summer League as a laboratory to evaluate how the one free throw rule affects the overall flow of the game [4]. The current standard of multiple free throws for various fouls often leads to prolonged periods of inactivity, which the NBA seeks to mitigate to improve the spectator experience.

This technological integration allows the NBA to gather empirical evidence on how the rule change influences scoring patterns and game tempo [5]. The combination of sensor data and the modified rule set will provide a comprehensive dataset for the league to review before considering any permanent changes to the official rulebook.

While the Summer League serves as the primary testing ground, the impact of these changes will be monitored closely by coaching staffs and analysts. The league said it is focusing on the balance between maintaining the integrity of the game and increasing the speed of play [4].

The NBA is testing a new "one free throw" rule and sensor-equipped basketballs

The NBA is prioritizing the 'entertainment product' by targeting the slowest parts of the game. If the one free throw rule successfully maintains competitive balance while increasing pace, it could signal a broader shift toward a more streamlined version of basketball designed for modern broadcast and digital consumption.