On 31 August 2019, a fight between Chisora and Parker was announced to take place at the O2 Arena in London on 26 October 2019, with the bout taking place as the co-main event to the World Boxing Super Series: Light welterweight final between Regis Prograis and Josh Taylor live on Sky Sports Box Office.

[1] On 2 October, it was announced Parker had been forced to withdraw from the fight due to a spider bite that was causing illness during training.

[5] At the weigh-in for the fight, the event looked to be in jeopardy as Chisora threatened to pull out, after refusing to participate in a coin toss, which would determine who would have to walk to the ring first.

[12] The following bout saw WBA Interim middleweight champion Chris Eubank Jr, return after 17 months of inactivity to face Marcus Morrison (WBC:26th).

It was his first bout with his new trainer, former four-division world champion Roy Jones Jr. Eubank Jr. was victorious via unanimous decision, with all three judges' scorecards reading 98–92 in his favour.

Post-fight, Eubank Jr. reflected on the bout which had gone the full ten-round distance: "I had him [Morrison] hurt bad in the second round and probably could have ended the fight.

"[16] From the opening bell, Chisora started a fast pace, sending Parker to the canvas with an overhand right, just seven seconds into the first round.

As the early rounds progressed, Chisora continued to fight aggressively on the front foot, closing the distance and applying sustained pressure, landing hooks to body and head on the inside, forcing Parker to be backed up against the ropes repeatedly.

In the middle rounds, Chisora maintained his high output and remained on the offensive, pressing forward, successfully landing a series of hard right hands and body shots.

As Parker rallied in the latter stages, feinting effectively with his left hand and throwing several scoring flurries on the back foot.