5 former WWE stars that should've appeared at IMPACT's Slammiversary 

#2. Ruby Riott (Ruby Soho) would fit right in at IMPACT

IMPACT Wrestling has given female wrestlers like Rosemary and Havok - the complete opposite to WWE's typical model-esque group of women - a place to shine. Ruby Riott, now Ruby Soho, would also find a place to shine at IMPACT.

Soho is an extremely talented individual who looked like she was going to see success in WWE after debuting as the leader of a dominant faction in the Riott Squad. But she somehow ended up failing to capture a title as both a singles and tag-team wrestler.

Riott would be perfect as a singles competitor in IMPACT Wrestling, but if she debuted with Sarah Logan, or someone else by her side, she'd also be a great addition to the Knockouts Tag-Team Division. She's a win-win.

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#1. Kalisto could shine in the IMPACT Wrestling X-Division

The X-Division has always been the jewel in the crown, or the hidden weapon of IMPACT Wrestling. It's had some truly legendary names pass through its ranks, with the likes of AJ Styles and Christopher Daniels competing in it.

One of WWE's best Cruiserweights was Kalisto. But even though he made it to the final of the Cruiserweight Classic, won the United States title twice, and won the Cruiserweight Title once, it still feels like he was underused.

IMPACT Wrestling are missing a proper light-weight luchador to excel in their X-Division, and Kalisto could very well be that person.