Kayla Harrison's Neck Surgery Doubts Nearly Cost Her the Nunes Fight

Kayla Harrison's title defense against Amanda Nunes at UFC 334 on Nov. 14 in New York almost didn't happen — and not because of matchmaking. Harrison underwent a two-level spinal fusion to repair five herniated discs, a surgery that knocked her out of the original UFC 324 booking and left her questioning whether she'd fight again at all.

The champion says the recovery was brutal, physically and mentally. By her own count, she's had four surgeries in four years after going a decade without one, and this was the most serious. There was a stretch where she wondered if she'd ever feel like herself again. Her answer now is blunt: she's back.

How Close She Cut It

Harrison wanted a disc replacement over fusion, believing it was the better call for mobility and long-term durability. The surgeon told her it wasn't an option. By then she was two weeks out from fighting Nunes, unable to lift her arm, describing nerve pain like lightning bolts and sleeping maybe three hours over five days.

She threw everything at it to make the date: monthly stem cell injections, aggressive PT, muscle relaxers, nerve pain medication, heavy-duty painkillers. Nothing touched it. The UFC finally sent her to New York, where a doctor took one look and told her she needed surgery immediately. She had it the next morning — still, somehow, believing she might salvage the fight.

A Collision Years in the Making

The Harrison-Nunes storyline has been brewing for a long time. The two trained together while Nunes was wrecking the UFC's bantamweight and featherweight divisions and Harrison was turning her two Olympic judo golds into two PFL tournament titles. By the time Harrison reached the UFC in 2024, Nunes had retired — then announced a 2025 comeback that put them back on the same track. Nunes carries a 23-5 record with 13 knockouts into the bout.

What stands out is Harrison's framing of the stakes. She says she's already satisfied with her career, that the surgery forced her to confront whether her worth depends on hitting every goal. Her conclusion: it doesn't. She insists this fight isn't about money or even the belt — it's about proving to herself she's still who she says she is. That's a dangerous mindset to bring into a cage against one of the sport's genuine GOATs.