There are unwritten rules everywhere. They pervade almost every aspect of life in some way: at work, while driving, in line at the grocery store, and of course, in sports. And in the sporting world, I'd wager baseball has more unwritten rules than any other.
Initially, this was going to cover all of baseball's unwritten rules, but then I started researching, and frankly, I don't want to write (you definitely don't want to read) 50,000 words about arcane - and ultimately stupid - ungovernable rules that most people don't even know about. (For example: "Don't walk over the mound". Seriously, that's an unwritten rule. Sometimes baseball has to GTFO.)
Therefore, here are the top six unwritten rules that seem to pop up more often: