Jessie Rosas to make UFC debut against unbeaten Sean King at Noche UFC 4

Jessie Rosas will make his UFC debut against unbeaten Sean King in a featherweight bout at Noche UFC 4 on 12 September at Desert Diamond Arena in Glendale, Arizona, with both men stepping onto the main roster for the first time on the event’s preliminary card.

Rosas (8-1) arrives on a three-fight winning streak following his only professional loss in 2024. The 23-year-old has finished six of his eight career victories and has competed at both bantamweight and featherweight, but will enter the UFC at 145 pounds. He is the older brother of UFC bantamweight Raul Rosas Jr., who made his own high-profile debut in the organisation at a young age.

King (6-0) was originally pencilled in for Dana White’s Contender Series in October, but the 22-year-old has instead been handed a direct path to the UFC roster. Undefeated since turning professional last year, King also carries a perfect amateur record built largely on submission finishes, making him one of the more intriguing unbeaten prospects to enter the promotion in recent memory.

The pairing pits two fighters with contrasting résumés: Rosas brings the experience of a professional loss and a subsequent recovery run, while King arrives with the confidence — and the pressure — of an unblemished record. Both men will be looking to establish themselves quickly in a featherweight division that rewards finishers.

Noche UFC 4 marks the fourth edition of the UFC’s Mexican Independence Day event, an occasion the promotion has used to spotlight Latin American talent and storylines. The Rosas family connection adds an additional layer of interest to what is shaping up as a compelling prelim card in Glendale.

The matchup was first reported by Marcel Dorff.