Americans bet more than $50 billion on sports last year, and that record will likely be broken in 2022 as more states legalize the practice. A professional named Captain Jack and a novice named Emily Stewart explain the perils and glory of betting on the game. This episode was produced by Hady Mawajdeh, engineered by Efim Shapiro, fact-checked by Laura Bullard, and hosted by Sean Rameswaram, who also edited. Transcript at vox.com/todayexplained Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices