Eubank Jr was confident victory over Liam Williams in Cardiff would propel him to a world middleweight title
Chris Eubank Jr dropped Liam Williams four times but had to settle for a points win over his rival.
The two middleweights have finally touched the gloves in Cardiff after two postponements of their grudge fight.
And Eubank Jr ran off the blocks, dropping Williams three times in the first four rounds.
The Welshman fought back but a fourth knockdown in the 11th round ended any hope he had of a stunning comeback.
The three judges gave Eubank Jr the nod by scores of 116-109, 116-108 and 117-109.
“I’m happy with the performance, I wanted to teach this man a lesson, he had said threatening things to me before this fight and I wanted to punish him,” said the winner.
“I thought about it, I didn’t even want to knock him out in the first round, I wanted to punish him, I wanted to get people like that out of boxing. You’ve seen it, headlocks, headbutts, I took like a man and I punished him as I said.
Williams had established his jab and taken the center of the ring in the first round, but was caught by a jab that threw him to the canvas.
The home favorite recovered to beat the count but looked shaky until the bell.
And he was dropped again with a second session minute remaining as he struggled to cope with Eubank’s speed.
Williams was more controlled in the third round as Eubank hit his rival after the bell, prompting a furious reaction from referee Mark Lyson.
But another jab sent Williams back on deck in round four as the Welshman crumbled under the bright lights.
Willams got composed in the fifth and sixth rounds, but Eubank Jr was confident enough to show off to the crowd in response to his opponent’s attacks.
The Welshman started to come back into the fight and had recovered some of his huge deficit by the end of the eighth session.
Eubank Jr lost his swagger as the fight entered the final three rounds, with Williams continuing to land the most eye-catching punches.
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But any hopes Williams had of a stunning comeback were extinguished on the penultimate lap when he was dropped for the fourth time – although replays showed Williams had stumbled.
Willams tried to finish strong but his fate was already sealed when the judges handed over their cards.
On the undercard, Chris Jenkins edged out former world welterweight champion Julius Indongo in eight rounds, much to the delight of the home crowd.
Olympian Caroline Dubois started her successful professional career following in the footsteps of her heavyweight brother Daniel.
The 21-year-old won each of the six legs against Vaida Masiokatie with the promise of much more to come.
And multiple world champion Claressa Shields kept her part of her deal with Savannah Marshall ahead of their future superfight later this year.
Marshall must beat Femke Hermans next month to defend her world title after Shields outplayed Ema Kozin for 10 rounds to retain her three middleweight belts.