Cantor Technology released the spreads for every NFL game in Weeks 1-16. Below are the lines for the Lions' games.
Week 17 is excluded because of high variance caused by potential playoff seeding, QBs sitting out the final week or playing partial games, etc.
Here is the list for every game.
Week 1
Cardinals at Lions (-3)
Week 2
Lions at Giants (-3)
Week 3
Falcons (-1.5) at Lions
Week 4
Lions at Vikings (-3)
Week 5
Panthers at Lions (-2)
Week 6
Lions at Saints (-2.5)
Week 7
BYE
Week 8
Steelers (-1.5) at Lions
Week 9
Lions at Packers (-7.5)
Week 10
Browns at Lions (-8.5)
Week 11
Lions (-1) at Bears
Week 12
Vikings at Lions (-2.5)
Week 13
Lions at Ravens (-3)
Week 14
Lions at Buccaneers (-3)
Week 15
Bears at Lions (-6)
Week 16
Lions at Bengals (-3)