It won't. They're on the same network, they wouldn't cock-block themselves like that. Both cards are staggered in such a way they'll have little to no live coverage overlap. They're having the Rougarou fight on early (undercards at 4:30pm EST, main card at 7pm) just to accommodate the Kuala Lumpur card (which itself has been scheduled to accommodate US audiences, since that is the morning in Malaysia)