Drop Hafner for Cahill?

[Grover71]

I need a SP. Would you dump Hafner for Cahill?

14 Team Roto

C-J.Mauer
1B-A.LaRoche
2B-I.Kinsler
3B-E.Encarnacion
SS-M.Aviles
OF-B.Upton
OF-H.Pence
OF-C.Quentin
UT-A.Ethier

BN-K.Shoppach
BN-S.Choo
BN-H.Matsui
BN-T.Snider
BN-T.Hafner
BN-K.Kouzamoff
BN-M.Jacobs

SP-C.Hamels
SP-S.Kazmir
SP-J.Lester
SP-M.Parra
SP-B.Penny
RP-J.Broxton
RP-C.Marmol
RP-J.Motte
RP-K.Uehara

[FantasySportsMaven]

Yeah, Hafner, Kouz and Jacobs are all expendable for some young guns.

J. Zimmerman, C. Ray, Wieters, Cahill, Hanson, B. Anderson are all targets.
Help me too? viewtopic.php?f=26&t=374859&p=3005583#p3005583