#6. Kyle O'Reilly
Kyle O'Reilly was a member of WWE's Undisputed Era, disbanded after Adam Cole's betrayal. Later both of them had a trilogy of matches where Kyle was victorious twice and Adam once.
Following the release of his teammates Adam Cole and Bobby Fish, Kyle had a couple of matches in NXT before being released in December. He made his AEW debut on December 22, where he immediately aligned with Adam Cole.
#5. WWE's Ruby Riott
Ruby Riot was the leader of The Riott Squad with Liv Morgan and Sarah Logan. The faction broke up in 2019 during WWE Superstar Shake-up. Morgan and Ruby reunited in WWE for a brief program but disbanded again. After separating from Liv, Ruby was an individual player. On June 2, 2021, Ruby was released by WWE.
She debuted as Ruby Soho at AEW All Out 2021 during the Women's Casino Battle Royal. Ruby entered as a surprise Joker and won the Casino Battle Royal. She then challenged Britt Baker for the AEW Women's Championship but failed to win. After signing with AEW, the underrated star is finally getting the spotlight she deserves.