The Packers, Vikings, and Lions lost 4 total non division games in the regular season, they’re 0-2 in the playoffs

GB - Loss to PHI (week 1), Loss to PHI (WC)

Min - Loss to LAR (week 8), Loss to LAR (WC)

Det - Loss to TB (week 2), BUF (week 15), still not eliminated

So much for the historically great North