Has a FIBA World Cup game ever ended 102-73?
Exactly once. On August 29, 2002, Brazil beat Lebanon 102-73, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 102-73 in league history.
That makes 102-73 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 103-73 has happened never and 102-74 has happened 1 times.