Kerry Parker signed with the BC Lions late in the 1980 season (November) and played one game that season. Parker played the next three seasons (1981-83) with the Lions, recordinig 11 interceptions. Parker's best season was 1983 when he recorded 6 interceptions and won both West and CFL All-Star honours. Parker then signed as a free agent with the Kansas City Chiefs of the NFL for the 1984 season. In October, 1985, Parker returned to the Lions, but didn't dress for any games. In February, 1986 Parker was traded to Toronto along with defensive lineman Nick Hebler for slotback Jan Carinici, linebacker Walter Ballard and future considerations. With the Argos in 1986, Parker matched his career high with six interceptions. Parker started the 1987 season with Toronto, but finished it with Hamilton where he recorded 3 interceptions in just 8 games. Parker finished his career with 21 interceptions, returning one for a tuchdown and five fumble recoveries of which he returned two for touchdowns.
Defensive tackle stats were kept for the first time officially in 1987