#2 Dolph Ziggler
'The Showoff' Dolph Ziggler is next on this list. Being one of the most skilled and talented wrestlers in WWE, Dolph has had a career that has been pretty good but could have been way better.
Being a 2-time World Champion, 2-time US Champion, 6-time Intercontinental Champion, and having multiple tag reigns as well, he is an unofficial Grand Slam Champion in WWE.
A female WWE star said her life is in danger. Details HERE
Like all the other superstars on this list, Ziggler also has a history with injuries. Ziggler has suffered multiple concussions throughout his career. We last saw him as a surprise entrant in this year's Royal Rumble.
With there being no proper direction for him in WWE, and Ziggler starting to take stand-up comedy as his alternate career, it looks like The Showoff might not hang around for long. Whatever be the case, Ziggler would definitely go down as a great WWE Superstar who could have done and accomplished so much more.