#8. Shinsuke Nakamura
There are people out there that think that Shinsuke Nakamura has been wasted in the WWE with them having 'nothing to do with him' and 'under-using' them. Whilst they may have an argument it does come across as disingenuous when he's been a two time United States Champion and a Royal Rumble winner during his time with the company.
Heck, I can agree that he's a far cry from the electric and enigmatic Shinsuke Nakamura we all knew from New Japan Pro Wrestling, but for Nakamura, I can imagine that's exactly the point. He can earn a nice sum of money from WWE and he doesn't have to put on the body endangering matches he used to.
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Nakamura is one of the Superstars who may be leaving the WWE if his reported contract expiration date is indeed accurate and there's certainly no denying he'd be a huge get for AEW.
But I truly believe he should stay in WWE because he doesn't need to go anywhere else, not everyone can be the world champion (especially on a brand with AJ Styles and Daniel Bryan) but he is consistently still used as a top guy and will continue to be used as such.