re: Carson or Fournette for flex?

Here is my roster. I would really like Carson to blow up this week so I can try to upgrade my WR position because no one is biting right now


QB Marcus Mariota QB | TEN @HOU

RB Le'Veon Bell RB | PIT ? @BAL

RB Kareem Hunt RB | KC WAS

WR Martavis Bryant WR | PIT ?? @BAL

WR DeAndre Hopkins WR | HOU ??? TEN
Sun 1:00pm
?
TE Jordan Reed TE | WAS ?? @KC
Mon 8:30pm
?
RB-WR-TE Leonard Fournette RB | JAC ? @NYJ
Sun 1:00pm
?
DST Bengals DST | CIN ?? @CLE
Sun 1:00pm
?
K Greg Zuerlein K | LAR @DAL
Sun 1:00pm
?

Reserves

?
RB Chris Carson RB | SEA ? IND
Sun 8:30pm
?
RB Wendell Smallwood RB | PHI ? @LAC
Sun 4:05pm
?
WR Rashard Higgins WR | CLE ? CIN
Sun 1:00pm
?
WR Cooper Kupp WR | LAR ? @DAL
Sun 1:00pm
?
TE Benjamin Watson TE | BAL ?? PIT
Sun 1:00pm
?
RB-WR-TE Corey Davis WR | TEN ? @HOU
Sun 1:00pm
?
RB-WR-TE Pierre Garcon WR | SF