 He moved to Canada and played for the British Columbia Lions in 1972 and Edmonton from 1973–82, and helped lead the team to five straight Grey Cup championships from 1978–82 as a key member of the "Alberta Crude" defense.He played in 1983 and 1984 for the Washington Federals of the United States Football League (USFL).Estay was a two time CFL All-Star in 1977 and 1980 and Western All-Star four times in 1973, 1977, 1978 and 1980.