Anthony Joshua, left, and Daniel Dubois, fight in the IBF World Heavyweight bout at Wembley Stadium, in London, Saturday, Sept. 21, 2024. (Bradley Collyer/PA via AP)

Anthony Joshua, left, knocked down by Daniel Dubois in the IBF World Heavyweight bout at Wembley Stadium, in London, Saturday, Sept. 21, 2024. (Bradley Collyer/PA via AP)

Anthony Joshua, centre, and Daniel Dubois, right, fight in the IBF World Heavyweight bout at Wembley Stadium, in London, Saturday, Sept. 21, 2024. (Bradley Collyer/PA via AP)

Anthony Joshua, left, and Daniel Dubois fight in the IBF World Heavyweight bout at Wembley Stadium, in London, Saturday, Sept. 21, 2024. (Bradley Collyer/PA via AP)

Daniel Dubois, centre, knocks down Anthony Joshua in the IBF World Heavyweight bout at Wembley Stadium, in London, Saturday, Sept. 21, 2024. (Bradley Collyer/PA via AP)

Daniel Dubois, left, knocks out Anthony Joshua in the IBF World Heavyweight bout at Wembley Stadium, in London, Saturday, Sept. 21, 2024. (Bradley Collyer/PA via AP)

Daniel Dubois, center, celebrates victory against Anthony Joshua, not pictured, in the IBF World Heavyweight bout at Wembley Stadium, in London, Saturday, Sept. 21, 2024. (Bradley Collyer/PA via AP)

Daniel Dubois, right, knocks down Anthony Joshua in the IBF World Heavyweight bout at Wembley Stadium, in London, Saturday Sept. 21, 2024. (Bradley Collyer/PA via AP)

Ukrainian boxer Oleksandr Usyk in the stands with his belt at Wembley Stadium, in London, Saturday, Sept. 21, 2024. (Bradley Collyer/PA via AP)

Daniel Dubois celebrates victory against Anthony Joshua, not pictured, in the IBF World Heavyweight bout at Wembley Stadium, in London, Saturday, Sept. 21, 2024. (Bradley Collyer/PA via AP)

Anthony Joshua, left, and Daniel Dubois fight in the IBF World Heavyweight bout at Wembley Stadium, in London, Saturday, Sept. 21, 2024. (Bradley Collyer/PA via AP)