In the main event of the undercard Dmitry Bivol (16-0, 11 KOs) will defend his light heavyweight title against Dominican Lenin Castillo (20-2-1, 15 KOs). Bivol was 174.3 pounds, Castillo - 175 pounds.
12-round non-title fight of Usyk and Witherspoon will headline the night of boxing from DAZN in Chicago at Wintrust arena with the beginning of the broadcast at 8:00pm ET/7:00pm local time.
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Photos by Olga Ivashchenko.