Just a couple random thoughts:
Your starters will probably be the key to where you finish this season; if they play up to their potential, you'll be in good shape.
I'd much rather have Phillips on the bench than starting. It might even be worth shopping Crede for a 2b.
Phelps' dh-only eligibility may not be what you want from a bench player; I think I'd rather back up a starter.
Rogers is probably borderline in your league - it's probably worth adding a hotshot prospect like Harden instead.