Has an MLB game ever ended 26-5?

Exactly once. On September 9, 2004, Kansas City Royals beat Detroit Tigers 26-5, and no MLB game before or since has ended that way. When it happened it was a scorigami, the first 26-5 in league history.

Where 26-5 sits among nearby MLB scores. Deeper blue means a score has happened more often; the outlined cell is the new one.

That makes 26-5 the 278th most common final score out of 330 that have ever occurred in MLB. One point away, 27-5 has happened 1 times and 26-6 has happened 3 times.

Every 26-5 in MLB history

Date	Result	Season
2004-09-09	Kansas City Royals over Detroit Tigers	2004

Open the MLB grid at 26-5