What On Earth Is “Match Momentum”? (opens in new tab)

It is easy to miss the Match Momentum graphic the Fox network stamps onto its World Cup broadcasts. The graph pops up only on rare occasion, wedged into the bottom-left corner, less than a third of the height and width of the screen. Often it appears only so briefly that the commentators never make a point to draw attention to it, or to try to explain what is happening within it. If advanced statistics have historically been created 1) to produce better metrics for match analysis and 2) for a...