Casey O'Neill vs Luana Santos — Fight recap

Casey O'Neill defeated Luana Santos by unanimous decision over three rounds on August 17, 2024, at the UFC event refereed by Rich Mitchell. O'Neill controlled the striking exchanges, landing 83 significant strikes on 43% accuracy while Santos managed just 41 significant strikes at 42% accuracy.

Though neither fighter secured a knockdown, O'Neill's volume advantage proved decisive—she out-landed Santos across the head (60 to 26) and maintained equal control time at 2:21 despite failing on both of her takedown attempts. Santos's lone successful takedown and her one submission attempt couldn't offset O'Neill's cleaner, more consistent striking output.

The decision reflected a straightforward striking victory where O'Neill's output and accuracy edge over three rounds trumped Santos's limited offensive opportunities. O'Neill's win positions her as a rising threat in the women's flyweight division.