49ers' failure on 'O' set up collapse of 'D'

Daily 49ers blog for NBC Bay Area website: When the 49ers settled for a field goal instead of a TD early in the fourth quarter, it opened the door for the Cardinals to come back for a win. https://www.nbcbayarea.com/news/local/Niners-Offense-Couldnt-Secure-a-Victory-499019161.html