You’ve got your fantasy football lineup all but set for the week, with a few tweaks to be made here and there as Sunday’s slate of games is ready to kick off. But you’re trying to optimize your lineup to make sure you get the most points. And that’s why you have to make sure your D/ST position has the best possible squad to win you the week. That’s what these rankings will help with: A look at the elite, solid, and streamable options that could win you some virtual games in your league. Let’s break down the Week 4…