Career
He was a 2,01m power forward and played collegiately at the Morehead State University. Harrison was selected with the 21 pick of the fourth round in the 1984 National Basketball Association Draft by the Philadelphia 76ers. He played for Louisiana Crosse Catbirds (College of Business Administration) in 1985-1986 season.
Earl Harrison played for Pagrati British Columbia from 1989 to 1992.
In 1991-1992 he averaged 25.5 points and 13.4 rebounds per contest. He transferred to PAOK British Columbia in 1992, but due to a serious injury he was replaced by Cliff Levingston.