4-5-6 pitching advice needed!!!

[carrythezero21]

12 Team league
Batting: R/H/HR/RBI/SB/K/TB/AVG/OBP/OPS/XBH
Pitching: W/L/CG/ERA/WHIP/K/SV
C- Buster Posey
1B - Joey Votto
2b - Brandon Phillips
SS - Ian desmond
3B - Ryan Zimmerman
OF- Giancarlo Stanton
OF - Justin Upton
OF - Drew Stubbs
Util - Paul Konerko
Bn - Shin Soo Choo
Bn - Ben Zobrist
Bn - Eric Hosmer
DL - Emilio Bonifacio

SP - Zack Greinke
SP - Gio Gonzalez
RP - Chris Perez
RP - Jim Johnson
SP - Madison Bumgarner
SP - Yovani Gallardo
SP - Mat Latos
SP - Matt Moore
SP - Jason Hammel

Currently on the waiver wire is Tim Hudson, should I drop Hammel and pick him up? Should I even make any moves? Not really happy with Gallardo and Moore in general, Gallardo will come around but Moore looks brutal. Thanks for any input.