#3 Jeff Hardy

The Charismatic Enigma returned to WWE last year along with his brother, and while The Hardys won the RAW Tag Team Championship, their return hasn't been as impactful (pardon the pun) as one would've expected.
Hardy had the chance to win the Intercontinental Championship, and just when it looked like his singles career would once again take off in the company, he suffered a shoulder injury in September.
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Hardy underwent a surgery in October to repair his torn rotator cuff and was expected to sit on the sidelines for four to six months.
Considering the fact that it has already been four months since the surgery, the former WWE Champion is expected to return to in-ring competition before WrestleMania 34.
WWE reportedly has plans to reunite The Hardy Boyz upon his return, and it is being speculated that he could undergo a character change similar to Matt, thus resurrecting his Brother Nero persona in WWE!