Need suggestions WHIR!

[SweetLou]

Im in 4th currently.. 12 team, Head to head, 5x5 league... any suggestions on upgrading my roster?? thanks!
Batting
C Bengie Molina
1B Justin Morneau
2B Chase Utley
3B Alex Gordon
SS Michael Young
OF Grady Sizemore
OF Andruw Jones
OF Torii Hunter
Util Frank Thomas
BN Jermaine Dye
BN Casey Blake



Pitching

SP Ben Sheets
SP Rich Hill
RP José Valverde
RP Matt Capps
P Derek Lowe
P Joe Blanton
P Gil Meche
BN Mike Mussina
BN Dontrelle Willis
BN Rich Harden
DL Brett Myers