Is Everything You Know About Soccer Wrong? Ask David Sally

We're joined now by David Sally, co-author with Chris Anderson of The Numbers Game: Why Everything You Know About Soccer Is Wrong. It's an argument for the power of analytics in soccer that's full of surprising conclusions about issues like the value of a goal scored relative to that of one saved, whether there's a real difference in playing style between the top flights in England, Germany, Italy, and Spain, whether a manager like José Mourinho actually makes a difference, and lots more. Have a question? Get after it in the discussion below.

Image by Jim Cooke