There’s a lot of losing in sports. Only one team can win at a time, and only one champion escapes the season without tears. But that doesn’t stop Americans from spending nearly $56 billion a year on sporting events, while dropping many billions more on jerseys, cable packages, buffalo wings—to More

Analysis of decades of data from college basketball and the major sports leagues (MLB, NBA, NFL, NHL) reveal that a team is more likely to have better playoff success if its archrival did better in the playoffs in the previous year — and especially if it won the championship. This More