James J Jeffries had been heavyweight boxing champion since 1899. He first fought former champ James J Corbett in 1900. Corbett was doing well until Jeffries knocked him out in the 20th. They met again on 14-August-1903 at the Mechanic's Pavilion in San Francisco. Corbett conceded after ten rounds.
The Lubin company offered film of the fight for $5.50 per 50 feet.
Enoch J Rector created the 63mm Veriscope (the article calls it the "varioscope"), which recorded and projected 63mm wide-screen views of the 17-March-1897 fight between heavyweight champion James J Corbett and Bob Fitzsimmons at Carson City, Nevada. Fitzsimmons won by a knockout in the 14th round. Rector captured all 14 rounds, a prologue with former champ John L Sullivan, and an epilogue showing the arena after the fight, when the crowd stormed the ring. Much of the film is lost, but the surviving pieces have been transferred to 35mm film.