Has an MLB game ever ended 26-14?

Exactly once. On September 30, 1888, Kansas City Cowboys beat Philadelphia Athletics 26-14, and no MLB game before or since has ended that way. When it happened it was a scorigami, the first 26-14 in league history.

Where 26-14 sits among nearby MLB scores. Deeper blue means a score has happened more often; the outlined cell is the new one.

That makes 26-14 the 278th most common final score out of 330 that have ever occurred in MLB. One point away, 27-14 has happened never and 26-15 has happened never.

Every 26-14 in MLB history

Date	Result	Season
1888-09-30	Kansas City Cowboys over Philadelphia Athletics	1888

Open the MLB grid at 26-14