Just ran across this info... in this division matchup, whenever the first game of this season series is in New Orleans, notice that the games are close (since the Payton-Brees era):
2014 : 10/05 at New Orleans (NO -10): Saints 37, Buccaneers 31 12/28 at Tampa Bay (NO -5): Saints 23, Buccaneers 20
2013 : 09/15 at Tampa Bay (NO -3): Saints 16, Buccaneers 14 12/29 at New Orleans (NO -115): Saints 42, Buccaneers 17
2012 : 10/21 at Tampa Bay (NO -1): Saints 35, Buccaneers 28 12/16 at New Orleans (NO -4): Saints 41, Buccaneers 0
2011 : 10/16 at Tampa Bay (NO -6): Buccaneers 26, Saints 20 11/06 at New Orleans (NO -85): Saints 27, Buccaneers 16
2010 : 10/17 at Tampa Bay (NO -4): Saints 31, Buccaneers 6 01/02 at New Orleans (NO -75): Buccaneers 23, Saints 13
2009 : 11/22 at Tampa Bay (NO -11): Saints 38, Buccaneers 7 12/27 at New Orleans (NO -14): Buccaneers 20, Saints 17
2008 : 09/08 at New Orleans (NO -3): Saints 24, Buccaneers 20 11/30 at Tampa Bay (TB -45): Buccaneers 23, Saints 20
2007 : 09/16 at Tampa Bay: Buccaneers 31, Saints 14 12/02 at New Orleans: Buccaneers 27, Saints 23
2006 : 10/08 at New Orleans: Saints 24, Buccaneers 21 11/05 at Tampa Bay: Saints 31, Buccaneers 14