Starting Rb and flex need help

I’m in a standard scoring league and need help with my lineup all my backs have pretty good matchups.
Fournette gillislee, west, jacquizz

For my flex any of the remaing backs and kelvin Benjamin.

My wr 1 and 2 are Evans and demaryius.

Also cam or Winston?

Thanks for the help guys the best of luck to you this week.