I'd go with:
Morrow, Medlen, Garcia, Capuano (matchups), Minor (matchups), Anderson (matchups).
With Anderson I could move him ahead of Capuano based on his next two starts, but by then it's September and someone might scoop him up based on brand recognition and if someone does, don't beat yourself up it'll be okay. Basically what I wanna say: Stream-o-nator can replace anyone past Garcia.
12 Team Roto - 15 Restriction-Free Keepers
10x10: R, 1B, 2B, 3B, HR, RBI, SB, BB, K, AVG; W, L, CG, SHO, SV, ER, K, HLD, ERA, WHIP
C- AJ Pierzynski (K)
1B Anthony Rizzo (K)
2B Brandon Phillips (K)
3B Miguel Cabrera (K)
SS Starlin Castro (K)
OF Ryan Braun (K), Jay Bruce (K), Justin Upton (K), Hunter Pence (K)
Ut Paul Goldschmidt (K), Brett Lawrie (K)
BN Norichika Aoki, Cameron Maybin, Tyler Colvin
SP Adam Wainwright (K), Cole Hamels (K), AJ Burnett (K), Kris Medlen (K), Brett Anderson, Alex Cobb, Felix Doubront
RP Rafael Soriano, Jose Valverde, Wilton Lopez, Carlos Marmol
"Farm" (Become FA at end of season in which 50 IP/150 ABs are reached):
Carlos Martinez, Casey Kelly, Lucas Giolito, Adam Morgan, Courtney Hawkins, Travis d'Arnaud, Archie Bradley, Nick Castellanos, AJ Cole, Mason Williams, Zach Lee.