Help, do I need hitting???

[big_al]

I'm currently in first by 4 games. I think I am lacking hitting(HR,R, RBI), what do you think? Do I have enough pitching to trade a SP and a position player to get a good bat? Who would you recomend I go after and who should I give up?

yahoo H2H league, 10 teams. scoring- R, H, HR, RBI, SB, AVG, OBP, IP, W, CG, SV, K, ERA, WHIP
c - Russell Martin
1b- Carlos Peña
2nd - Dustin Pedroia
3rd - Garrett Atkins
SS - Jose Reyes
OF - Grady Sizemore
OF - Chris Duncan
OF - Jason Bay
UTL - Adrián Béltre 3rd
bench - J Lugo 2, SS, 3rd, M Derosa 2,3 OF

SP - C.C. Sabathia, Roy Halladay, Kelvim Escobar, Chad Gaudin, Rich Hill , Scott Kazmir, Oliver Pérez
RP - Joe Nathan, Billy Wagner, Matt Capps