Los Angeles Times’ NFL writer, Sam Farmer, examines this week’s playoff matchups in the NFL divisional round. Lines according to FanDuel. Last week’s record 4-2. Using point spreads with the scores Farmer had predicted, the record against the spread last week would have been 1-5. All times Pacific: No. 4 Jacksonville at No. 1 Kansas City — When: Saturday, 1:30 p.m., NBC. Line: Chiefs by 8 1/2. —…