In his 2009 book What Sport Teaches Us About Life, the former England cricketer Ed Smith endeavoured to draw out some of sport’s intellectual lessons and practical uses. Smith began each chapter by posing an intriguing question – is the free-market ruining sport? When is cheating really cheating? What do people see when they watch sport? The central tenet, however, of Smith’s book is the desire for sport to be taken seriously. In recent times, Bernard Brogan has been asking a similar question – What sport teaches you about business. A mainstay of Dublin’s all-conquering Gaelic football team, Brogan has…