In the book, Rob analyzes each blunder, how it happened, why it happened and how it changed baseball history as we know it. Below, we've listed his top five blunders for each National League franchise along with a short explanation.
This is where you come in, SportsNation. We want you to decide which was the biggest blunder for each franchise by answering the questions below. Then, compare your answers to the rest of the 'Nation.
Click here to cast your vote on the biggest blunder for each American League franchise.