After years of question marks in their secondary, the New Orleans Saints may finally be finding an answer in rookie cornerback Marshon Lattimore. The 21-year-old’s stellar debut season continued on Sunday with a late fourth-quarter interception to seal the Saints’ 20-12 victory over the Chicago Bears. Pro Football Focus also provided some perspective on just how good Lattimore, who was selected in the first round at No. 11 overall by New Orleans in this year’s draft, has been to start his NFL career.