Clarence "Earl" Keeley (May 15, 1936 – May 9, 1985) was a Canadian professional football quarterback who played six seasons in the Canadian Football League (CFL) with the BC Lions and Montreal Alouettes.

[8] Montana was able to utilize a punt-run option during the 1957 season due to Keeley's unique ability to kick while on the run, a skill he picked up by playing rugby in high school.

[10] In June 1958, Keeley skipped his final year of college eligibility to sign with the BC Lions of the Canadian Football League (CFL).

[1] He played in all 16 games for the Lions in 1959, completing 16 of 26 passes (61.5%) for 232 yards, two touchdowns, and four interceptions.

[1] He was released on August 7, 1963, before the start of the 1963 CFL season after being beat out by Canadian quarterback Pete Ohler.

[10] Keeley was later the founding head coach of the Sherwood Park Rams football club in 1962.