So based on this trend for Sunday's games, if you like the favorite don't worry about giving the points, and don't play the ML. But if you like the dog, you should play the ML instead of taking the points.
1983 Redskins -10.5 vs. 49ers 24-21W
1991 Bills -11 vs. Broncos 10-7W
1995 Steelers -12 vs. Colts 20-16W
1999 Rams -14 vs. Buccaneers 11-6W
2001 Rams -12 vs. Eagles 29-24W
2008 Patriots -15 vs. Chargers 21-12W