Has a FIBA World Cup game ever ended 73-61?
Yes. FIBA World Cup has seen a final score of 73-61 3 times. It first happened on September 10, 2010, when Argentina beat Russia, and most recently on September 9, 2014, when Lithuania beat Turkey.
That makes 73-61 the 26th most common final score out of 863 that have ever occurred in FIBA World Cup. One point away, 74-61 has happened 1 times and 73-62 has happened never. Nearly all of its occurrences fall between 2010 and 2039.