Glover Teixeira defied father time as the evergreen veteran sensationally upset Jan Blachowicz in their light heavyweight title fight at UFC 267 to become the oldest first-time champion.

Teixeira showed age is no barrier after the 42-year-old forced defending champion Blachowicz into a rear-naked choke submission in the second round of Saturday's main event in Abu Dhabi.

Blachowicz (28-9) was making his second title defence and riding a five-fight winning streak before being stopped in his tracks by the evergreen Teixeira.

Teixeira (33-7) last had a chance at a UFC light heavyweight title seven years ago and lost to then-champion Jon Jones.

"Never give up on your dreams, no matter what people say, don't listen to them," Brazilian fighter Teixeira said afterwards. "They're gonna put you down.

"Don't listen to those negative people. Believe in yourself.

"I'm breaking the rules, 42 years old. And I'm gonna keep breaking the rules."

UFC president Dana White added: "Glover Teixeira is and has been one of the toughest guys in the division for a very long time, this was his dream forever to get this title shot.

"He finally gets it and did it tonight."

Blachowicz was coming off his first title defence, a unanimous decision victory against previously undefeated middleweight champion Israel Adesanya at UFC 259 in March.

"I think I left legendary Polish Power in the room," Blachowicz said.

Jan Blachowicz says he wants to fight Glover Teixeira next following Saturday's victory over Israel Adesanya at UFC 259 in Las Vegas.

Light heavyweight champion Blachowicz won by unanimous decision to defend his title and hand Nigeria-born New Zealand-based Adesanya the first defeat of his mixed martial arts career.

Blachowicz, who won 49-46, 49-45, 49-45, is now eyeing his next bout and identified Teixeira, who was a backup for Sunday's event, as his preferred opponent.

Teixeira, 41, has a 32-7 mixed martial arts record and last beat Thiago Santos by submission in November.

"I think he deserves that, and I would like to fight against Glover next because he deserves [it]," Blachowicz said.

"He is not so young, so he doesn't have time and I want to fight against him when he's in good shape, not later.

"But we have to wait a little bit because right now I want to rest, spend some time with my family, so if he wants to wait, he will be next."

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