Need to pick up SP off Waivers...which guy?

[Brewins33]

In 10 team, 5x5, H2H keeper league (your allowed to keep 5 guys year to year)....Dropping Furcal with Tulo back and need a SP. Below are the some of the guys available and my current team. Who to pick up?

Lackey
Porcello
Slowely
AJ Burnett
Pettite
Arroyo
Cecil
Dickey
Go Gonzalez
Anibal Sanchez
Brandon Morrow
Dice K

My Team:
SP = CC Sabathia
SP = Dempster
SP = Bret Anderson
SP = Lilly
SP = Jamie Garcia
BN = Bucholz
RP = Wagner
RP = Lidge
P = Benoit (we count holds)
P = Downs (we count holds)

C = Vmart
1 = Teix
2 = Roberts
3 = Longoria
SS = Tulo
OF = Markakis
OF = Rios
OF = Pence
Util = Beltran
BN = Soriano
DL = Utley

Dropping Furcal for SP ????