Has an NBA game ever ended 121-77?

Exactly once. On December 19, 1972, Milwaukee Bucks beat Seattle SuperSonics 121-77, and no NBA game before or since has ended that way. When it happened it was a scorigami, the first 121-77 in league history.

Where 121-77 sits among nearby NBA scores. Deeper blue means a score has happened more often; the outlined cell is the new one.

That makes 121-77 the 2546th most common final score out of 3,189 that have ever occurred in NBA. One point away, 122-77 has happened never and 121-78 has happened 1 times.

Every 121-77 in NBA history

Date	Result	Season
1972-12-19	Milwaukee Bucks over Seattle SuperSonics	1972

Open the NBA grid at 121-77