George Kambosos Jr. vs Devin Haney is set to take place under the Top Rank banner. The contest will determine the Undisputed Lightweight Champion of the World and is highly anticipated by the boxing community. Two of the best lightweights in the world will face off for the ultimate bragging rights. George Kambosos Jr. and Devin Haney fight on June 4 for the WBA, IBF, WBO, WBC, and The Ring lightweight titles. The fight takes place inside Marvel Stadium in Melbourne, Australia.