#4 Lars Sullivan's main roster debut in the Men's Royal Rumble match

In what could be a decisive moment for the WWE, debuting Lars Sullivan on the main roster with an introduction at the Royal Rumble could be special.
Judging by how promising he looks, displaying his muscle and strength in the Royal Rumble's match would be a legitimate way to establish him as a force to be reckoned with.
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With the company most likely to end the brand extension, a possible storyline with Braun Strowman for WrestleMania 35 could be absolutely thrilling.
While there were plans for Sullivan to be involved in a promising storyline, but the viewership concerns led the creative team to move in a different direction.
Debuting him at the Royal Rumble would make for another interesting debut and may very well play a significant factor in setting the tone for the rest of 2019.