#4 Many unvisited rivalries
During the 2019 WWE Superstar Shake-Up, Vince McMahon made his way out to announce "SmackDown's greatest ever acquisition." While Elias made a fool of himself during the segment, he and Vince McMahon were attacked by Reigns, which gave birth to a few new rivalries for the Superstar on the Blue brand.
During his initial months, Reigns was stuck in feuds with Elias and Shane McMahon, who was also supported by Drew McIntyre. After all, was done and dusted, he went on to get in feuds with Erick Rowan, followed by his tag team partner Luke Harper.
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While Reigns has had some feuds on SmackDown, there is still a world of opportunities for him which can come his way in the coming days. 'The Fiend' Bray Wyatt has been drafted to SmackDown, and we could see him feud with The Big Dog in the near future.
Apart from that, there are many Superstars such as Daniel Bryan, Brock Lesnar, and Buddy Murphy who could feud with the Superstar in the days to come, provided that they do not switch brands during the second day of the Draft.
SmackDown on FOX will be looking to build some more young faces on the brand, and Reigns could provide them with some assistance in succeeding with their plans.