Has a CFL game ever ended 23-21?
It has. 23-21 has been a CFL final 23 times in 4,946 games. The first was Calgary Stampeders beat Winnipeg Blue Bombers on November 1, 1959; the latest was Montreal Alouettes beat Calgary Stampeders on July 24, 2025.
That makes 23-21 the 3rd most common final score out of 1,183 that have ever occurred in CFL. One point away, 24-21 has happened 15 times and 23-22 has happened 18 times.