Devin Haney won against George Kambosos Jr

Devin Haney is the new undisputed champion of the world after beating George Kambosos Jr

Haney took won hands down in all rounds (116-112, 116-112, 118-110)

“I handicapped him at his best game,” said Haney after beating his opponent

Haney becomes the ninth fighter to unify all four recognised titles

He is also the second youngest player to have achieved these at 23

“This is a dream come true,” Haney said post-fight