John Cena returns in hopes of cementing his place at Wrestlemania 41. If he can get past CM Punk, Roman Reigns and more.

But the Royal Rumble — taking place today — isn't far behind it. The showcase of the Royal Rumble is the rumble match itself. The idea is simple: Thirsty wrestlers come down to the ring in intervals and they have to eliminate their competition from the ring by throwing them over the top rope.

Check out all the details you need to know, including the rules of the stipulation match-up, full match card and more such information.