Sierra Championship Boxing was created in 1983.
Sierra Championship Boxing happened in 1983.
Showtime Championship Boxing was created in 1986.
TKO Super Championship Boxing was created on 1992-04-28.
Barry McGuigan World Championship Boxing was created in 1985.
HBO World Championship Boxing was created on 1973-01-22.
TKO Super Championship Boxing happened in 1992.
Showtime Championship Boxing - 1987 was released on: USA: 1987
Barry McGuigan World Championship Boxing happened in 1985.
Jack Johnson
Showtime Championship Boxing - 1987 WBO Heavyweight Championship Brewster vs- Liakhovich was released on: USA: 1 April 2006
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Showtime Championship Boxing - 1987 WBC Lightweight Championship Corrales vs- Casamayor III was released on: USA: 7 October 2006