One quarter of the way into the NFL season, and six teams still have unblemished records.
Cincinnati, Green Bay, Atlanta, Denver and Carolina are 4-0. New England, which had last weekend off, is 3-0.
Compare that to last season, when nobody reached 4-0. Arizona and Cincinnati were 3-0 after the first month, but both lost their next games.
It might not surprise people the Packers, Broncos and Patriots are unbeaten. But it raises eyebrows the Falcons and Panthers — fixtures in the mediocre NFC South — would be pristine at this point.
A look at the NFL's Spotless Six:
In his fifth season, quarterback Andy Dalton...