When you think about it, nobody in sports is really that loyal. It is a completely selfish world.
And why shouldn't it be? No one is as dedicated to the team as a fan, so it is no surprise that people like players, coaches, owners and general managers have been so fluid over the years.
What they sometimes fail to understand is, their betrayal hurts the fans more than they could even imagine.
When someone that provided hope to a franchise just gets up and leaves, that can result in everlasting hatred.
There have been plenty of betrayals in sports over the years, so let's now break down the 30 most unforgivable ones that we have seen.