Has an MLB game ever ended 20-16?

Exactly once. On May 18, 1929, Brooklyn Robins beat Philadelphia Phillies 20-16, and no MLB game before or since has ended that way. When it happened it was a scorigami, the first 20-16 in league history.

Where 20-16 sits among nearby MLB scores. Deeper blue means a score has happened more often; the outlined cell is the new one.

That makes 20-16 the 278th most common final score out of 330 that have ever occurred in MLB. One point away, 21-16 has happened 2 times and 20-17 has happened never.

Every 20-16 in MLB history

Date	Result	Season
1929-05-18	Brooklyn Robins over Philadelphia Phillies	1929

Open the MLB grid at 20-16