Kid Galahad beat Jazza Dickens was halted at the end of Round 11 of the all-British race for the vacant IBF Featherweight World Title.
The 31-year-old dominated competition at the Matchroom Fight Camp in Essex on Saturday.
The battle was stopped with blood pouring from above Dickens’ left eye. After he was injured in the first round
It was Galahad’s first world champion in his 29th bout as a professional.
Former champion Josh Warrington relinquished his title in January after holding the belt since May 2018.
Dickens injured his left eyelid early in the match and later appeared to have a broken nose.
Galahad’s battle for the one-time World Championship title ended in split points defeating Warrington in 2019.
“It’s unbelievable,” he said. “After 19 years of hard work, I finally got my waistline, a long time ago.
“I don’t want to leave the referee or the referee. Now I want to win a few more titles and merge departments.
“If I fight Warrington, he won’t go 12 laps.”
British heavyweight Dillian White told BBC Radio 5 Live: “Dicken is a brave man. But I think they put him too much to blame, his nose gone, his eyes going. But his corner should have protected him better tonight.”
Graduate Steve Bance added: “It was a great fight. Much better than we expected and competitive. Even though we all have Galahad in front of us.”
“That was one of the worst wounds I’ve ever seen. That kind of cut could end a career.”
The pair met in 2013 when Galahad defeated Dickens with a stoppage of 10th round as they battle for England’s super bantamweight title.