Well, the boxing action is set to start at 9.05am AEST on Sunday, with live coverage on Fox Sports from 9.30am AEST.

The main card, available via Main Event, is expected to begin at 11am with a number of big fights including Jason Moloney’s double-title bout with Aston Palicte.

The pair will face off for the World Boxing Council (WBC) silver bantamweight title and the vacant World Boxing Organization (WBO) International bantamweight championship.

What time does George Kambosos Jr. vs Devin Haney actually start?

History will be made on Sunday as the WBA, IBF, WBO and WBC belts all go on the line for the first time in modern boxing history.

But when will George Kambosos Jr. and Devin Haney actually get in the ring and when do the earlier fights get underway?

Watch one of the biggest boxing fights ever in Australia: George Kambosos Jr. vs Devin Haney, Sun 5 June with Main Event on Kayo Sports. No Kayo subscription needed to order.

George Kambosos Jr. vs. Devin Haney: Fight prediction, undercard, odds, preview, start time, expert pick

An undisputed lightweight champion will be crowned in Australia on Saturday night when these two titleholders meet

Throughout an already busy weekend on tap in the world of combat sports, there may not be a single fight this Saturday with more stakes attached than boxing's undisputed lightweight championship bout pairing unbeaten champions George Kambosos Jr. and Devin Haney.

With an expected crowd of 50,000 set for Marvel Stadium in Melbourne, Australia (ESPN, 9 p.m. ET), Kambosos (20-0, 10 KOs) returns to fight on home soil for the first time since 2017 as he looks to continue a meteoric rise that saw him upset Teofimo Lopez Jr. last November to claim the power position in one of the sport's hottest division as the WBA, IBF and WBO champion.

Like his victory over Lopez, however, the 28-year-old Kambosos will enter as the betting underdog -- albeit a very small one this time when he welcomes Haney (27-0, 15 KOs), the 23-year-old phenom and WBC champion who has long been considered a future star in the making.

One of the larger storylines associated with the fight that was expected to potentially affect the outcome was the fact that Haney's father and trainer, Bill, was banned from traveling to Australia due to a felony drug conviction dating back to 1992. But the elder Haney was able to secure late approval and is expected to arrive in Melbourne in time to be by his son's side.