Honest Opinion on my 14 teamer, because Yahoo obviously can't do it

Yahoo gave me a C- and I have the lowest Week 1 projected points, but I liked my roster. Can I get some honest criticism from the footclan. 14 team 0.5 PPR

QB: Kyler Murray
RB: Dalvin Cook
RB: David Montgomery
WR: JuJu Smith-Schuster
WR: Cooper Kupp
FLEX: Austin Eckler
DEF: Seattle Seahawks
Kicker: TBD, will drop Stafford for Kicker in Week 1
BN: Miles Sanders
BN: Matt Brieda
BN: Emmanuel Sanders
BN: Desean Jackson
BN: Mecole Hardman
BN: Alexander Mattison
BN: Matt Stafford