#2 Bayley

What a difference there is between the Bayley who ruled NXT and the Bayley who got booed out of the arena during an episode of Monday Night Raw where she announced that she was going to miss Summerslam due to an injury.
In a classic case of "What works in NXT doesn't always work on the main roster", The Hugger has suffered badly during her time on the WWE's flagship show. And, all this despite a strong start to life where she even ended Charlotte Flair's pay-per-view streak to become the WWE Raw Women's Champion.
Unfortunately for her, everything she has done post-Wrestlemania 33 has been abhorrently bad with bad booking decisions leading to the WWE Universe turning their backs on her. While there was a shot at redemption at WWE Summerslam 2017, an injury has put a stop to that and one can only wonder how her career can be salvaged now.