3:56 PM PT -- A rep for the UFC tells TMZ Sports ... Cormier insists he's "fine" and will be okay to fight on Saturday.
Daniel Cormier slipped and fell while leaving the UFC 226 news conference in Vegas moments ago ... and it looked like he came up limping.
Cormier was getting up from the table after promoting Saturday's fight against Stipe Miocic when he slipped and hit the ground. You can see his championship belt go flying.
Cormier eventually got up and gingerly walked off stage.