Fans love watching an underdog cause an upset. The problem is that unbeaten teams are unbeaten for a reason Fans love watching an underdog cause an upset. The problem is that unbeaten teams are unbeaten for a reason A classic narrative, dating back to the classic matchup of David v Goliath, is the underdog v the favorite. The only problem is that the underdog is an underdog for the reason. Sure, everyone loves it when a David wins, but Goliath usually swats him away with predictable ease and