The bad news for Perth fight fans landed with less than two weeks on the clock: the UFC Perth Tafa Aslan cancelled announcement has wiped the light-heavyweight co-main event clean off the card.

According to UFC officials, Junior Tafa suffered an injury and had to withdraw from his September 27 meeting with Ibo Aslan at RAC Arena.

It seems the promotion decided against simply reshuffling the pairing, choosing instead to scrap the bout entirely. With the co-main gone, the already-booked Jimmy Crute vs Ivan Erslan bout has been elevated to co-main event status.

The good news is that the headliner appears to have survived intact: a light-heavyweight title eliminator between New Zealand's Carlos Ulberg and former title challenger Dominick Reyes still reportedly tops the bill.

That main event carries real stakes, since the winner is expected to move into position for a shot at the light-heavyweight title. Fans in Perth will presumably still get the marquee matchup they were promised, even if the undercard has taken some hits.

With the headliner intact, it is worth keeping an eye on the latest UFC fight odds as the card firms up.

Details around Tafa's injury remain somewhat unclear, with the promotion yet to specify the exact nature of the issue. What is known is that the timing, so close to fight night, made finding a suitable replacement difficult.

Whether a replacement opponent was offered has not been publicly detailed by the promotion, though such a scenario is understandable given how short notice can affect fight preparation.

Still, it means fans who were looking forward to seeing him compete in Perth will have to wait for another opportunity.

Jimmy Crute vs Ivan Erslan Steps Up

Crute, fighting in front of his home crowd, now steps into a co-main event matchup that has drawn increased attention following the card shakeup.

Erslan is a heavy-handed striker with 10 KO/TKO finishes on his pro record, making him a legitimate power test for Crute.

This kind of short-notice opportunity can be a double-edged sword, offering increased exposure while compressing preparation time.

How Crute adapts to the elevated spotlight may say a lot about his readiness for another run up the light-heavyweight rankings.

With the card still taking shape, it is worth watching how the co-main showdown shifts the picture for anyone weighing up their UFC betting predictions ahead of fight night in Perth.