I love me some flex spot, so I would be in favor of keeping that.
I'd be fine with 0.5 ppr. Haven't really done a ppr league before, but it could be fun to try.
Oh, and plum all the info for the defensive players is on the "scores and settings" list. Or at least it should be.
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Moops?
"I thought you were making up diseases? That's spontaneous dental hydroplosion."