NBA will test '1 free throw rule' designed to improve game flow during upcoming summer leagues

The NBA summer leagues are a breeding ground for experimentation, and not just for the participating teams and their shapeshifting lineups. That period of trial and error is useful for the league, too.This year, it's capitalizing by testing a "one free throw rule" that's been deployed in the G League to improve game flow since the 2019-20 season.Under this rule, any foul that would normally lead to one, two or three free throws instead results in a single free-throw attempt, except during the fi