As much as we all hate to admit it, umpires are not perfect.
We want them to be robots and make every call with pinpoint precision. However, if we have humans, we have to accept human error.
Those errors are sometimes entertaining, though. For this article, I have researched the Internet for 10 of the worst blown calls that umpires are made. Not all of them will be at the major league level, but I think you'll enjoy checking some of these out. I had fun watching them.