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Ruiz Jr Loses Comeback Fight, Demands Rematch
Confirmed
In Short: Former world champion Andy Ruiz Jr lost his comeback fight to Poland's Damian Knyba, but vowed to demand a rematch.

Former world champion Andy Ruiz Jr lost his comeback fight to Poland's Damian Knyba, with judges scoring the fight 117-110, 114-113, and 114-113 in favor of the Pole. Despite the loss, Ruiz Jr was quick to call for a rematch, stating that the bigger man should be stopped in their next fight.
Ruiz Jr, who has been beset by injuries and took part in just his fourth fight since losing to Joshua in December 2019, weighed in at 254.3lbs for the bout. His appearance on the scale suggests this is a serious attempt to re-enter the championship picture at heavyweight.
The fight took place in New Jersey, and while Ruiz Jr argued that he was simply rusty after his first fight since August 2024, the Polish fighter took his record to 18 wins and one defeat. Ruiz Jr's next fight is scheduled for Friday night against the same opponent, Damian Knyba, who is also the former sparring partner of Anthony Joshua.
Ruiz Jr's determination to demand a rematch and his slim appearance on the scale indicate that he is taking this comeback fight seriously, possibly as his last chance to re-enter the heavyweight championship picture.
What's confirmed
What's still developing
- For that momentous fight – a contest when Ruiz became a global star overnight – he weighed 268lbs.
- Giovanni Santillan joins ProBox TV ahead of his September 11 main event against former world champion Abbas Baraou in San Diego.
- Santillan discusses his opportunity to bounce back from his loss to Brian Norman, the lessons he learned from defeat and why he believes this fight could put him within touching distance of a world title shot.
