Devin Haney beats George Kambosos Jr., to become the undisputed lightweight champion

Devin Haney turned into the undisputed lightweight hero Sunday evening at Marvel Stadium in Melbourne, Australia

It was an unanimous-decision victory over George Kambosos

Haney utilized his fantastic jab to succeed through scores of 116-112, 118-110 and 116-112.

Devin Haney now owns all four 135-pound titles.

Kambosos can decide to practice his legally binding right to a quick rematch with Haney later this year in Australia.

Kambosos is 28 years old and from Sydney, Australia.

Devin Haney is 23 years old and is from Las Vegas