Fight Camp, Brentwood - Zelfa Barrett dug deep to produce a clinical eighth round KO against Ireland's Eric Donovan, earning him the vacant IBF Intercontinental Super-Featherweight Title.
Manchester's Barrett exploded into life following a sluggish start to inflict a huge one-punch knockout on 'Lilywhite Lightning' on his Matchroom Boxing debut.
'Brown Flash' had been troubled by a body shot in the fifth, but then staggered Donovan with a left hook in the sixth. He dropped Donovan with a sweetly timed left hook in the seventh, and clubbed the Irishman to the canvas again in the closing seconds of the round.
Donovan's brave resistance was finally ended in the eighth as he toppled backwards following another big left hook from Barrett.
Felix Cash clinically broke Jason Welborn's resistance in the fifth round to retain his Commonwealth Middleweight Title at at the top of the bill on Matchroom Fight Camp Week 3.
The unbeaten 27-year-old produced a ferocious response after losing a point for a low blow, flooring Welborn twice before the fight was waved off, and the undefeated Wokingham talent will now look to push on towards more title action.
Shannon Courtenay's unbeaten record was shattered as she was floored and defeated on points by Rachel Ball.
The 27-year-old 'Baby Face Assassin' hit the canvas heavily in the opening round and Courtenay's spirited response was not enough, with Ball digging deep to claim victory with a 77-75 margin.