The Saints fared well in points and passing yards per game, but there are definite problems that must be fixed. If Klint Kubiak puts pen to paper after the 49ers’ Super Bowl 58 showdown with the Kansas City Chiefs, he will need to implement a system that allows veteran QB Derek Carr to get the ball out quickly and dissect the field. Re-establishing the four-time Pro Bowler’s identity could wield big results in the lackluster NFC South.