Need help what should I upgrade on this team

[Brian895]

AVG OBP SB HR R RBI
C B. McCann
1B L. Berkman
2B B. Hall
3B S. Rolen
SS E. Renteria
OF M. Thames
OF T. Hunter
OF M. Holliday
Util R. Zimmerman
Util C. Jackson
BN K. Mench
BN C. Barmes
BN M. Giles
BN B. Bonds
Pitching
IP W SV K HLD ERA WHIP
SP P. Martínez
SP S. Kazmir
SP J. Verlander
RP T. Hoffman
RP A. Benitez
RP J. Zumaya
P F. Liriano
P N. Lowry
P S. Chac'on
BN J. Devine
BN A. Reyes
BN D. Bush
DL M. Maroth

I just picked up thames for nothing and droped Pedro Feliz what else could i do to upgrade this team this is a Dynasty league were we keep 11 players each year and 2nd year players can be keep for a lost of a draft pick in that years draft