Should I look to upgrade pitch staff???

[jonesy37]

Mixed results from this bunch..who should I let go??..Look to add??

Scoring..
BBI - Walks Issued (Pitchers) -0.5 points
CG - Complete Games 5 points
ER - Earned Runs -1 point
HA - Hits Allowed -0.5 points
INN - Innings 2 points
K - Strikeouts (Pitcher) 1 point
S - Saves 10 points
W - Wins 10 points

Starters...
A Wainwright
J Jurrjens
J Vazquez
J Santana
J Lester
J O. Sanchez
A Cook
B Myers
R Harden

Relievers....
Valverde
Ryan