Waldo Cortes-Acosta vs. Curtis Blaydes set for UFC 331 at Crypto.com Arena

UFC 331 will feature a heavyweight showdown billed as a collision between the division’s upper tier, with Waldo Cortes-Acosta taking on Curtis Blaydes on September 19 Arena in Los Angeles, according to confirmation reported by and relayed by Yahoo Sports.

The pairing is framed as a high-leverage fight for the rankings. The reports describe Cortes-Acosta entering with a top-5 position in the heavyweight division, a spot the fight is expected to influence directly. Blaydes, meanwhile, is presented as a caliber opponent consistent with a matchup between two of the division’s most recognized heavyweights.

Initial reports about UFC 331’s card reportedly included an error related to labeling the event as “Noche UFC.” The later confirmation, as described in the Yahoo Sports write-up, indicates the matchup details should be treated as the corrected, confirmed version, with the fight still tied to the same Los Angeles venue and date.

UFC 331’s setting matters for stakes beyond the matchup itself. Hosting a heavyweight contest at an arena of ’s scale in Los Angeles continues the UFC’s tendency to stage major division-defining fights in major market events, where momentum, media attention, and future matchmaking can be amplified by the location.

For Cortes-Acosta, a fight against a veteran name like Blaydes functions as a direct test of whether he can convert ranking status into traction toward the next title-picture conversation. For Blaydes, the appeal is clear: the chance to move himself back into the same conversation, using a win to reestablish his profile among the leading heavyweights.

Both fighters also arrive with different career trajectories, which is part of why the matchup is being treated as a measuring stick. When a top-5 heavyweight is paired against a widely known contender, the outcome tends to clarify what type of path remains for the winner, whether that path is a title eliminator, a higher-profile eliminator, or a push into the top of the matchmaking queue.

What to watch next is the rest of UFC 331’s card and any official promotion from the UFC that puts the matchup into the event’s finalized framework. As with many heavyweight matchups, a confirmed pairing can still be followed by additional fights that shape the night’s rhythm, but the central point for now is the confirmed headline-level matchup between Cortes-Acosta and Blaydes on September 19 in Los Angeles.