According to Justin Barrasso, the WWE Greatest Royal Rumble match will indeed be formatted the same as the annual Royal Rumble match, with WWE stars entering the match at timed intervals, as opposed to everyone starting in the ring at one time.
Confirmed with #WWE: Saudi Arabia’s Greatest Royal Rumble match will have a Royal Rumble format with separate entrances, as opposed to a battle royal with all competitors starting in the ring.
— Justin Barrasso (@JustinBarrasso) April 16, 2018
In a follow-up, WWE rep stated that the company has yet to decide on the prize (title shot, etc) for the winner of the Saudi Arabia Rumble
— Justin Barrasso (@JustinBarrasso) April 16, 2018
WWE Reportedly Considering Big Changes to Commentary Teams
According to The Wrestling Observer Newsletter, WWE has been discussing changing up its commentary teams to continue with the trend of including diversity as seen at WrestleMania 34.
WWE had Hall of Famer Beth Phoenix on the commentary team for the first-ever Women’s Royal Rumble match, in addition to the Mixed Match Challenge show, and Hall of Famer Lita called the Mae Young Classic.
WWE is said to be considering adding women to the color commentary teams for main roster shows, however the Observer report did not list any names as potential broadcasters.
The Wrestling Observer Newsletter