The planned UFC 324 co-main event between Kayla Harrison and Amanda Nunes was officially scrapped following Harrison’s sudden medical setback. Harrison underwent neck surgery on January 13 in New York, repairing multiple painful herniated discs successfully.
Doctors revealed the injury developed during an intense training camp, without any single incident clearly causing the serious damage. As a result, the highly anticipated bantamweight title clash has been postponed indefinitely, disappointing fans awaiting a historic championship showdown.
Unexpectedly, boxing superstar Amanda Serrano offered herself as a last-minute replacement, generating widespread excitement across combat sports communities. “If UFC and Amanda Nunes are thinking of a replacement, I would love the challenge as I’m still in fight shape. Hope the champ recovers well,” said Amanda Serrano.
If UFC and Amanda Nunes are thinking of a replacement, I would love the challenge as I’m still in fight shape. Hope the champ recovers well.
— Amanda Serrano (@Serranosisters) January 15, 2026
Serrano made it clear that her comments were never meant to disrespect Amanda Nunes, whom she considers the greatest female fighter in MMA history. She openly praised Nunes for her elite striking ability and her confidence inside the Octagon.
Serrano also reminded fans that she has competed in both MMA and Brazilian Jiu-Jitsu, understanding the sport’s physical and mental demands. According to Serrano, every athlete who has trained in MMA or BJJ dreams of performing on the biggest stages and under the UFC banner.

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Jake Paul backs Amanda Serrano ahead of potential UFC debut
Jake Paul and Amanda Serrano share a strong professional relationship built on mutual respect, ambition, and shared goals within combat sports entertainment. Through his MVP Promotions, Paul has consistently backed Serrano, helping elevate her boxing career with major fights, exposure, and financial opportunities.
Serrano credits Paul’s support for expanding women’s boxing visibility, proving their partnership has reshaped opportunities for elite female fighters worldwide. Following the recent call-out, Paul publicly backed Serrano on social media,” I got all my money on Amanda,” via Instagram.
‼️ Amanda Serrano is willing to fight Amanda Nunes 🤝 pic.twitter.com/H8Z060d1A7
— IFN (@IfnBoxing) January 15, 2026
Jake Paul has long feuded with UFC CEO Dana White, repeatedly criticizing the organization’s fighter pay structure and financial transparency. Despite years of public tension, this situation could mark the beginning of an unexpected collaboration between rival promotional forces in combat sports.
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