In the long arc of professional football, few crises reveal a team's fragility quite like a collapsed quarterback depth chart. The Atlanta Falcons, stripped of their top two signal-callers by injury, turned to their third and fourth options against Carolina on Sunday — and found only compounding disaster. What unfolded was less a football game than a parable about how quickly fortune abandons the unprepared, leaving a franchise scrambling for answers with a short week and a formidable opponent ahead.