Gary Belsky on the Origins of Sports

Gary Belsky, co-author of On the Origins of Sports and former editor-in-chief of ESPN the Magazine, talks with EconTalk host Russ Roberts about the origins of sports--how various sports evolved and emerged into their current incarnations. Along the way he discusses the popularity of American football, the written (and unwritten) rules of sports, and the focus on replay and fairness in modern sports.