He was an intense player and hard tackler. Teamed with fellow linebackers Dale Potter and Tom Towns for 8 seasons, this trio formed the backbone of a defence that played in 7 Grey Cup games, winning six championships. Kepley won 3 CFL's Most Outstanding Defensive Player Awards and was an All Star 5 times.
Following retirement, Kepley spent the 1985 season as an assistant coach with the Eskimos. He began a real estate career, worked as a football analyst on both radio (CFRN) and television (CBC, ESPN), and from 2002 to 2010 was an assistant coach with the Eskimos. Kepley has struggled with alcoholism and in 2000 spent time in jail for impaired driving, his fifth such offence.