They lost their best player, cornerback Darrelle Revis, for the season with a torn anterior cruciate ligament.
Their owner Woody Johnson even suggested on national television that the 2012 presidential election might actually be more important than the 2012 NFL season.
"It kinda seemed like, after a while they just, I know, looking at their defense, they didn't want to be out there," on Sirius XM Radio via Conor Orr of The Star-Ledger. "And after that it's like, man, these guys don't really want to play the game. You know, it's pretty much over.
Rogers went on to say that it was out of character for a Ryan-led squad. The rest of the season will be a test of that character.
UPDATE: Ryan on Monday responded to Rogers, saying he didn't believe his defense quit, but that they were tired in the fourth quarter.
"I think we have a reputation in this league as being a tremendous defense and we didn't play that way and I think that's the big thing," Ryan told reporters. But as far as us quitting, there's no way. That wasn't the case. We got beat. There's no doubt about it."