"Football Freakonomics:" Is Momentum a Myth?

In the first segment of “Football Freakonomics” on the NFL Network, Dubner examines the phenomenon of momentum and whether we can actually prove its existence in football games. Here’s a taste of what he found in the data: since 2007, immediately after a long kickoff or punt return, NFL teams are nearly four times as likely to score a touchdown on the next play than they are on a given play from scrimmage.