Has a CFL game ever ended 10-4?

Exactly once. On October 18, 1992, Toronto Argonauts beat Ottawa Rough Riders 10-4, and no CFL game before or since has ended that way. When it happened it was a scorigami, the first 10-4 in league history.

Where 10-4 sits among nearby CFL scores. Deeper blue means a score has happened more often; the outlined cell is the new one.

That makes 10-4 the 850th most common final score out of 1,183 that have ever occurred in CFL. One point away, 11-4 has happened 1 times and 10-5 has happened never.

Every 10-4 in CFL history

Date	Result	Season
1992-10-18	Toronto Argonauts over Ottawa Rough Riders	1992

Open the CFL grid at 10-4