By Tzvi Machlin There are a handful of truly dreadful teams right now. Between the New York Giants’ toothless offense, the Denver Broncos’ dreadful defense, the Chicago Bears being a mess from top to bottom and the Carolina Panthers rebuilding, the race to the bottom of the league is going to be an interesting one. ESPN’s Football Power Index (FPI) has done the math and made a calculation as to who will come out with the worst record this season. According to the ESPN computer model, the Carolina Panthers will just edge out the Arizona Cardinals for the worst record in the league. ESPN’s FPI p…