Has an NBA game ever ended 99-79?
It has. 99-79 has been a NBA final 26 times in 77,318 games. The first was Baltimore Bullets beat Ft. Wayne Zollner Pistons on March 19, 1949; the latest was New York Knicks beat Cleveland Cavaliers on April 21, 2023.
That makes 99-79 the 846th most common final score out of 3,189 that have ever occurred in NBA. One point away, 100-79 has happened 19 times and 99-80 has happened 17 times.