The Los Angeles Times’ NFL writer, Sam Farmer, examines this week’s matchups. Lines according to FanDuel Sportsbook (O/U = over/under). Last week’s record 13-3 (.813); season 109-71 (.606). Using point spreads with the scores Farmer predicted, the record against the spread last week would have been 11-4-1 (.733); season 85-92-3 (.480). Off: Ravens, Bills, Bears, Raiders, Vikings, Giants. All…