Flex help baldwin/martin 0.5PPR

Hey clan playing in a 2nd vs 3rd battle with similar scores and been changing my mind in flex all week

Rb hunt (played)
Rb2 Freeman vs NE
Wr1 Evans vs bills
Wr2 dez vs 49ers
Te gronk
Flex ???
Stream DST and kicker

Options are Baldwin vs giants
martin vs bills
Mixon vs Steelers,
theilen vs ravens
D. Henry vs browns if murray is ruled out

Thanks and good luck for this week