Rasley was one of five Beavers selected in the 1969 NFL/AFL draft, and was selected in the ninth round (216th overall) by the Detroit Lions.[4] He played with the Lions for the 1969 and 1970 seasons, was on the Lions' taxi-squad during 1971, and rejoined the team for the 1972 and 1973 seasons.[5] He then went to the New Orleans Saints for a season, followed by a season with the Kansas City Chiefs. Rasley was selected by the Seattle Seahawks in the 1976 NFL Expansion Draft, but did not make the active roster and wound up playing for the San Francisco 49ers his last season.[6]