#1 Rusev
What could have been one of the most incredible gimmicks in WWE ended with them dropping the ball with the Rusev Day gimmick. This really halted Rusev's push and direction within the company.
Currently sidelined from television, the Bulgarian Brute needs to return to the squared circle with a bang. Bringing some intrigue and legitimacy to his character could make him a valuable name once again. Let's not forget that he dominated the scene when he first made the transition to the main roster, alongside Lana.
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With Sami Zayn preaching the concept of altruism, his voice and charisma could raise Rusev's credibility and make him the muscle of this heel stable.
Even his connection with Shinsuke Nakamura could play a crucial role here, with the Bulgarian Brute now focused on wreaking havoc at the expense of other beloved WWE Superstars.
The former United States Champion needs to be properly re-introduced, and if Zayn can be his mouth piece, we may very well have a money-spinning heel stable in our hands.