Keith Thurman, a former rival of Manny Pacquiao, is set to take on 154lbs champion Sebastian Fundora on the legend’s undercard.

Pacquiao is set to return for the second time since originally retiring in 2021, announcing he will fight again on January 24 in Las Vegas.

Fundora and Thurman's battle is now set to feature on the Pacquiao bill

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Fundora and Thurman’s battle is now set to feature on the Pacquiao billCredit: Getty

It is believed he will take on Rolly Romero, albeit there is set to be turbulence in negotiations with the champion forced to defend his WBA welterweight world title elsewhere.

Nonetheless ‘Pac Man’s return is still being eyed for this date, having already been delayed from December.

And it is believed that the undercard is already being plotted, four months away from the show.

WBC super-welterweight champion Fundora was set to defend his title on a pay-per-view bill against 36-year-old Thurman on October 25.

But the 6ft 5ins divisional king was forced to withdraw after suffering a hand injury.

As a result, the bout is now being explored as a chief support to Pacquiao, which would make it a huge night of boxing in Sin City.

It will be a huge opportunity for both fighters, who were feared to miss out on a bout altogether after it was postponed at short notice.

The story behind Fundora vs Thurman

Thurman has fought just three times since 2019 but finds himself on the brink of a huge shot at world glory again.

The veteran took a break from the sport at the end of that year after suffering a defeat to Pacquiao by split decision.

Three years later, he tried and successfully defeated Mario Barrios, but ultimately took a three year hiatus from the sport.

Thurman has a famous history with Pacquiao, losing to the legend six years ago

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Thurman has a famous history with Pacquiao, losing to the legend six years agoCredit: Getty

After another three year break, Thurman finally announced his return, comfortably beating Brock Jarvis with a routine victory in Australia.

And now he faces a big opportunity to restore his name to the top of the sport, nine years on from when he claimed his first ever world title.

As for Fundora, he remains the man to beat in the division and a huge physical challenge to dethrone.

And he will likely look for unification clashes against Bakhram Murtazaliev or Xander Zayas, with the option also to easily move up in weight with victory.

Who could Manny Pacquiao fight?

Romero has been the front runner for Pacquiao for several weeks, and was expected to defend his title against the Filipino.

But the fight has ran into a hurdle, with the WBA instead ordering the American to take on Shakhram Giyasov.

Pacquiao is still on the hunt for world titles at the age of 46

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Pacquiao is still on the hunt for world titles at the age of 46Credit: Getty

Pacquiao wants to become the 147lbs division’s oldest world champion, and without the title on the line, he could look elsewhere.

An alternative option could be a sequel with Barrios, against whom he was denied in a controversial draw to clinch the WBC title back in July.