I agree, the odds of all three losing are slim.
But they are all three on the road. New England will be favored against the Saints. Atl/NYG is which team sucks the least. Tampa will likely have to bring its A game against the Rams. So its possible.
The Falcons are playing the Giants. Somebody has to get their first win of the season. Definitely could be NY.
The Rams look good. They could definitely beat the Bucs.
The Saints are always gonna be tough to call with Jameis. He can look MVP caliber one week and not NFL caliber the next.