Should I Pickup F.Jackson or go WR????????????

[Buckeye01]

Based on my roster Should I pickup F.Jackson? If so who should I cut? I think I'm weak at WR, should I go that route and pickup a wr?
Wr available are:
Sims-Walker, Mike WR JAC
Knox, Johnny WR CHI
Moore, Lance WR NO
Williams, Mike WR TB
Gaffney, Jabar WR DEN
Williams, Roy E. WR DAL
Jackson, Vincent WR SD
Mason, Derrick WR BAL
Thomas, Demaryius WR
Britt, Kenny WR TEN
Johnson, Steve WR BUF

Team (1) Standard Scoring, 10 Team League 5th Pick

QB- A.Rodgers, Big Ben
RB- R.Grant, L.McCoy, M.Barber, Thomas Jones,B.Green-Ellis
WR- P.Harvin, D.Driver, H.Ward, Dez Bryant
TE-T. Gonzalez, C. Cooley
K- M.Crosby
Def/St- Saints

League Requirements (1-Qb)(2-Rb)(2-Wr)(1-Te)(1-K)(1-Def)