UFC fighter Rachael Ostovich has officially pulled out of her upcoming fight against Paige VanZant -- citing the brutal injuries she suffered during an attack over the weekend.
TMZ Sports broke the story ... 27-year-old Ostovich was hospitalized after she was assaulted on Hawaii -- and she's been diagnosed with a broken eye socket and other injuries.
Now, her manager has issued a statement explaining that Rachael is simply too hurt to get in the Octagon in January.
"A very unfortunate incident occurred Sunday night with Rachael Ostovich that ended with her suffering a fractured orbital and other injuries," Brian Butler-Au said.