Has a FIBA World Cup game ever ended 72-66?
Yes. FIBA World Cup has seen a final score of 72-66 4 times. It first happened on July 5, 1986, when Australia beat Cuba, and most recently on November 23, 2017, when Mexico beat Cuba.
That makes 72-66 the 44th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 73-66 has happened 2 times and 72-67 has happened 1 times. Nearly all of its occurrences fall between 2010 and 2039.