WR3 and Flex - PPR

Need some help in my lineup this week, looking for my first ever championship.

PPR

WR3:
E. Sanders v LAR
C. Kupp v SF
J. Ross v MIA
L. Fitzgerald v SEA

Flex:
R. Mostert v LAR
J. Hollister v ARI
E. Sanders v LAR
C. Kupp v SF
J. Ross v MIA
L. Fitzgerald v SEA

Thanks so much!!!