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The 1964BC Lions finished the season in first place in the Western Conference with an 11–2–3 record, the fewest losses in one season in team history. Of the eight retired numbers in team history, four of those players played on the 1964 team. The Lions began the season undefeated in ten games and were 10–1–1 against western opponents. The Lions' defense was, once again, outstanding as they allowed a team record 10.5 points and 245 yards per game. Joe Kapp would lead the CFL is passing with 2816 yards through the air and 194 completions.
The Lions won the Western Finals over Calgary, taking two games to one, sending them to the Grey Cup Once again, the Lions met the Hamilton Tiger-Cats in the 52nd Grey Cup in a rematch of the previous year's game. After taking a 34–8 lead into the fourth quarter, the Lions cruised to their first championship by a score of 34–24 on the heels of defensive back and backup fullbackBill Munsey's two touchdown performance. Converted defensive back By Bailey, who scored the first touchdown in Lions' history, retired after the game, ending his 11-year CFL career.