When your chosen occupation requires you to fling your body around a ring and frequently fall off ladders, you can guarantee that injuries are never going to be far away.
That's the position that WWE stars have found themselves in for the majority of their careers and many would argue that the risk of injury is just a small price to pay if your aim is to become one of the top names within the legendary company.
Yet, when wrestlers finally find themselves gathering that all important momentum and truly getting themselves over with the WWE crowd, a surprising injury can quickly extinguish all of that hype - leaving a gaping hole where the once nuclear superstar was situated.
However, one main event superstar's misery tends to be another hopeful talent's gain and these career-shortening lay-offs usually open the door for a complete change of focus.
Nobody likes to see their favourite stars get injured, but you cannot argue with the fact that many of the memorable wrestling moments we hold dearest in our hearts would not have been possible if it weren't for the unfortunate timing of a devastating injury.
With all that in mind, let's take a closer look at some of the defining injuries that led to WWE's landscape being noticeably altered.