Has a CFL game ever ended 53-0?

Exactly once. On October 8, 1967, Toronto Argonauts beat Winnipeg Blue Bombers 53-0, and no CFL game before or since has ended that way. When it happened it was a scorigami, the first 53-0 in league history.

Where 53-0 sits among nearby CFL scores. Deeper blue means a score has happened more often; the outlined cell is the new one.

That makes 53-0 the 850th most common final score out of 1,183 that have ever occurred in CFL. One point away, 54-0 has happened never and 53-1 has happened never.

Every 53-0 in CFL history

Date	Result	Season
1967-10-08	Toronto Argonauts over Winnipeg Blue Bombers	1967

Open the CFL grid at 53-0