#4 Neville

One thing WWE needs to accept after all this time is that they did not use Neville properly when they had him in the ranks. Even then in the limited chances that Neville had he proved himself to be a once in a generation wrestler.
The things that Neville could do in the ring, not many could replicate that. He came in as a face and was able to get over. Then he was a heel and a cruiserweight champion. He literally carried the division on his shoulders and was by the far the most impressive in that roster.
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What was obvious was that Neville was a notch above the cruiserweights but he was never given a chance to showcase his talent. When ultimately his ideas and management's didn't match up, he was written off.
Neville is a star who deserves to be on either SmackDown or Raw among the big boys. It's high time WWE bring him back and boost their stable.