Terrifying news about UFC star Corey Anderson -- who's revealing he suffered massive facial injuries during a medial emergency back in February.
But this story has a happy ending ... the UFC's #4 ranked light heavyweight has recovered and is cleared to fight again.
Here's the deal ... Anderson "blacked out and collapsed" on a gravel road on Feb. 21st -- less than a week after suffering a knock out loss to Jan Blachowicz at UFC Fight Night.
Anderson, who's a real outdoorsman, says he was scouting some land on Feb. 21st when something went wrong and he was raced to the emergency room for treatment.