There’s a new game selling out stadiums around the country: banana ball. The game’s founder, Jesse Cole, describes how he got started. And WSJ’s Jason Gay watched a game to see what Major League Baseball – and other pro sports – can learn from banana ball’s fan-first approach. Jessica Mendoza hosts. Further listening: - NCAA President on New Era for College Sports - How Parlays Became the Biggest Bet in Sports - The Biggest Trade in Sports Wasn’t an Athlete –– It Was a TV Show Sign up for WSJ’s free What’s News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices