New York defeated Dallas 31 - 14 to win the NFC East .
To look at why the Cowboys are vulnerable against the New York Giants , we first have to look back five years to the last game of the 2011 NFL season .
New York defeated Cowboys 31 - 14 to win the NFC East .
To look at why the Cowboys are vulnerable against the New York Giants , we first have to look back five years to the last game of the 2011 NFL season .