Great athletes don't usually make good coaches.
Exactly why this is the case is open for debate.
Sure, great athletes possess a knowledge of the game that is often unmatched.
They also are insanely competitive, impatient and difficult to work with.
With that in mind, this list is dedicated to the great athletes who have succeeded at the highest level during their playing careers and failed during their coaching careers.
In an effort to expand this list a bit, we'll start with some of the worst coaches who weren't great athletes in the true sense of the word.
Here's a look at 15 very good athletes turned very bad coaches.