WR/Flex help week 2

14 team league, 0.5ppr, here is my WR/Flex tentative lineup as of now:

WR1: DJ Moore
WR2: AJ Brown
Flex: RoJo

I have Gallup on bench as of now. I do like both RoJo and Gallup’s matchup, but feel like RoJo is guaranteed more volume. Any changes I should make?