#2. WWE Hall of Famer Kevin Nash
WWE Hall of Famer Kevin Nash had quite the career before announcing his retirement back in January 2020. Nash's wrestling career eclipsed two decades and went on to inspire some of the current crop of WWE talent.
Following his wrestling retirement, Nash posted some images on Instagram where he revealed that his recent knee replacement surgery was one of the main reasons for his decision.
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The reason I retired was I was deformed and basically crippled. This knee replacement and 2 years of rehab and training has been brutal. To just get my hips to realign was incredibly painful. To the haters.... f**k off To those that have championed my recovery I send my thanks and love.

The two-time Hall of Famer has made several WWE appearances in recent years, but last competed for the company when he was part of the 2014 Royal Rumble match. Even though Nash is no longer an active competitor, the former star showed off quite the transformation after suffering from leg issues for several years.