#2. Humberto Carrillo has never been part of a Royal Rumble match
Humberto Carrillo is another WWE star who hasn't been part of a Royal Rumble match. The star was once seen as a prospect in WWE when he came up to the main roster and was aligned with Rey Mysterio. The former Cruiserweight has seemingly fallen out of favor in recent months and has found a new home on Main Event.
Carrillo and his cousin Angel Garza were once part of an interesting feud on WWE TV, but both men are now in dire need of a kickstart to their career after a few months of not being used.
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Humberto Carrillo is relatively new to the main roster so it's not that hard to believe that he hasn't been used to make up the numbers at a Royal Rumble in recent years.
This year, WWE could decide to finally allow the star to make his presence known and debut inside the 30-man match. It's the kickstart that his career needs and it would also allow him to pick up a feud inside the match to then continue on Monday Night RAW.