Marcum or Carmona?

[dubstar]

I am starting to really think Carmona has it back together, completely dominant this spring. Should I drop Marcum for Carmona? I know Carmona doesn't k alot, but if he is on his ERA/WHIP can really help my team.

12 Team H2H. OBP, R, HR, RBI, SB, K
W, L, K, ERA, WHIP, SV

C Posada
1B Morneau
2B Sizemore
3B Longoria
SS Jeter
OF J Upton, Lind, Span
UTIL H Matsui
BN Pence

SP Jimenez, Cain, Billingsley, De la Rosa, Niemann, Harden, Marcum

RP Qualls, Nunez, Gregg