The Seahawks are going to the playoffs. The only question left for them is whether they will go into the postseason as a fifth-seed or a sixth-seed. A win over Arizona in week 17 will clinch a fifth-seed for Seattle.
The difference between a fifth-seed and a sixth-seed is nearly meaningless as both seeds would start on the road. But the biggest reason to try to earn the fifth-seed is a potential home game later in the playoffs should the fifth and sixth seeds meet late in the postseason. And anything is possible in the NFC.
Las Vegas has little doubt that the Seahawks will defeat the Cardinals on Sunday and do so with ease.