In his heavyweight debut, the last undisputed cruiserweight champion Oleksandr Usyk (17-0, 13 KOs) defeated last-minute replacement opponent, Chazz Witherspoon (38-4, 29 KOs) on Saturday night at the Wintrust Arena in Chicago. The bout was clunky as Usyk didn’t rush things in the ring. Usyk put it on Witherspoon in the sixth, as the bout was stopped in the seventh round after the round ended.

WBA light heavyweight Dmitry Bivol (17-0, 11 KOs) defeated Lenin Castillo (20-3-1, 15 KOs) to make the fifth title defense of his world title since winning it in November 2017. Bivol was too talented for Castillo who was tricky, but ineffective in winning rounds. Bivol step-up Castillo as he walked into a right hand in round six, Bivol would cruise to a one-sided decision. The judges saw the bout 120-107, 119-108, 119-108.

Super featherweight Otha Jones III (4-0, 1 KO) defeated tough and experienced Eric Manriquez (7-9-1, 3 KOs) over four rounds. This was Jones’ first four-round bout as his first three bouts as a pro were six-round bouts. The scores were 38-38, 40-36, 39-37, making it a majority decision for Jones.

WBA/WBC women’s super lightweight champion Jessica McCaskill (8-2, 3 KOs) retained her belts over in not the prettiest bout every recorded in the history of boxing against Erica Farias (26-4, 10 KOs). The bout was a rematch, it seems the platform and the nature of the rematch might have factored in as it was less dramatic. The judges saw it 94-94, 97-91 and 96-92 Scores were 94-94, 97-91, 96-92.

Super middleweight Anthony Sims Jr (20-0, 18 KOs) defeated former Contender cast member Morgan “Big Chief” Fitch (19-4-1, 8 KOs) via sixth-round technical knockout. Sims dropped Fitch twice in round one and once in the sixth before the fight was waved off. Sims Jr. is doing what is asked of him, and he is stepping up and making noise for a big fight.

Unbeaten USBA super welterweight titlist Charles Conwell (11-0, 8 KOs) scored a dramatic knockout that quickly turned into tragic as Patrick Day (17-4-1, 6 KOs) was laid out in the tenth round and final round. Conwell dropped Day in the fourth and eighth round, but laid him out in the tenth round. Day never regained consciousness and was immediately taken to the hospital.

Former IBF super bantamweight champion T.J. Doheny (22-1, 16 KOs) picked up a sixth-round TKO over journeyman Jesus Martinez (26-10, 13 KOs). The bout which opened the card was a bounce-back win after losing to his world title to the unified world champion, Daniel Roman.