Has an NPB (Japan) game ever ended 17-16?

Exactly once. On May 19, 1993, Yakult Swallows beat Hiroshima Toyo Carp 17-16, and no NPB (Japan) game before or since has ended that way. When it happened it was a scorigami, the first 17-16 in league history.

Where 17-16 sits among nearby NPB (Japan) scores. Deeper blue means a score has happened more often; the outlined cell is the new one.

That makes 17-16 the 191st most common final score out of 223 that have ever occurred in NPB (Japan). One point away, 18-16 has happened never and 17-17 has happened never.

Every 17-16 in NPB (Japan) history

Date	Result	Season
1993-05-19	Yakult Swallows over Hiroshima Toyo Carp	1993

Open the NPB (Japan) grid at 17-16