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Showtime Championship Boxing was created in 1986.
Showtime Championship Boxing - 1987 was released on:
USA: 1987
Showtime Championship Boxing - 1987 1989-03-11 was released on:
USA: 11 March 1989
Showtime Championship Boxing - 1987 1989-11-04 was released on:
USA: 4 November 1989
Showtime Championship Boxing - 1987 2003-07-19 was released on:
USA: 19 July 2003