Throughout all of football history there have been bad tackles. Some worse than others, and some shockingly bad. Like career-ending bad.
It should probably be said now that most of these videos are not for the faint-hearted or the squeamish.
Some of these injuries could understandably put players off football for the rest of their careers, luckily for us though it hasn't most of the time.
Before the slideshow starts, it should be pointed out that the Ryan Shawcross / Aaron Ramsey injury is not on this list.
Although it was one of the first leg breaks that came to mind, the fact that the tackle was 50/50 and neither players fault meant it was left out of this list.
So without further procrastination, I give to you, 20 of the worst leg breaks in football history...