I like the Dolphins, the Patriots just torched the Texans and while the Niners are a much better defense then the Texans, I think the Patriots are just that good right now. The Pats are also very good at taking care of the ball and Brady doesnt take sacks.
For your flex, I think its more a question of where you think you stand. If you think you just need a solid number then I'd say Moreno, the Ravens arent the great defense of years past and can be run on. If you think you need max points then I'd say go with Alexander, I think his floor is lower, but I also think his ceiling is higher then Moreno as Alexander is more apt to score since the Broncos don't like to run in the redzone. I do really like Alexander and its pretty tough to sit him right now, but Moreno will catch balls out of the back field and get his 15-20 carries so I think his total yardage will be higher.
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