W. Fuller or A. Jones

Who do I start in the flex for week 6 - Will Fuller against the Brown or Aaron Jones again Vikings?

Standard scoring league

Rest of the team includes:
Jordy Nelson
TY Hilton
D. Thomas
Todd Gurley
Doug Martin

Sammy Watkins
Devante Parker
Tarik Cohen

I lean Fuller. You have enough floor in your lineup already. Starting Fuller myself his week, starting to believe