#4 The Undertaker wanted to retire in 2000
The Undertaker has been with the WWE for nearly three decades. And to this day he remains one of the biggest stars in the company. Just a mere appearance from The Undertaker can set the wrestling world ablaze.
But what most people don't realize is that The Undertaker's career could have been over almost two decades ago. In 1999, Taker suffered a serious groin injury which would force him to take a break from wrestling. Then while recovering, he ended up tearing a pectoral muscle as well.
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It was at this time that Undertaker started to consider retiring from wrestling. The two injuries had made it impossible to train, and it would be pretty rough for him to start from scratch upon recovery. By this point, he was also a veteran in the WWE, and his body already had started to break down.
But thankfully, he did not go through with his plan and returned to the WWE eight months later with his new American Badass character. Just think of all the things that would have never happened if The Undertaker had actually retired back in 2000.