Few events in the world of sports are as popular among mainstream fans as online Kentucky Derby betting. Among US based fans its exceeded only by the Super Bowl and March Madness. Since there are always a lot of newcomers to horse betting at this time of year it’s a good time to outline some of the differences and similarities between betting on sports and betting on horses. Despite the fact that betting on horses and betting on sports is inextricably linked in a lot of ways–for example, they usually occupy the same space in most Nevada casinos – there…