Pitching for Offense

[Goggler]

I'm in an 8-team league and my offense is just about average, maybe even less than. I think, since I have some really good pitchers, that I need to trade one of them to maybe get a solid outfielder or shortstop. Who do you think I should trade? Thanks.

C Jorge Posada (NYY - C)
1B Miguel Cabrera (Det - 1B)
2B Chase Utley (Phi - 2B)
3B Ian Stewart (Col - 2B,3B)
SS Ben Zobrist (TB - 2B,SS,OF)
OF Curtis Granderson (NYY - OF)
OF Adam Dunn (Was - 1B,OF)
OF Carlos González (Col - OF)
Util Kendry Morales (LAA - 1B)
SP Zack Greinke (KC - SP)
SP Félix Hernández (Sea - SP)
RP Mariano Rivera (NYY - RP)
RP Leo Núñez (Fla - RP)
P Ubaldo Jiménez (Col - SP)
P Ricky Romero (Tor - SP)
P Billy Wagner (Atl - RP)
BN Nelson Cruz (Tex - OF) DL
BN Matt Wieters (Bal - C)
BN José López (Sea - 1B,2B,3B)
BN Jorge De La Rosa (Col - SP) DL
BN Chad Billingsley (LAD - SP)
DL Brandon Webb (Ari - SP) DL