WR/Flex suggestions wk13

.5 ppr-
I have Mike Thomas as my WR1 and need to decide on my WR2 (Devante parker, keenan allen, Alshon J, Kenny G)
and need a flex (Melvin G, Kareem H)
Need some advice… im stuck lol. Im leaning between Parker/ Alshon for WR2 and between Melvin/ Keenan for flex. Thanks