Has an NBA game ever ended 92-76?
It has. 92-76 has been a NBA final 22 times in 73,172 games. The first was Indianapolis Olympians beat Tri-Cities Blackhawks on November 29, 1949; the latest was Utah Jazz beat Portland Trail Blazers on February 20, 2015.
That makes 92-76 the 917th most common final score out of 3,189 that have ever occurred in NBA. One point away, 93-76 has happened 19 times and 92-77 has happened 32 times.