I think that halladay is a proven stud, but greinke is sooooo for real, I mean 7 starts in a row of great stuff is no fluke.
I wouldn't do it, only for johan or lincecum
V.Mart, P.Fielder, Alexi.R, D.Wright, M.Young, S.Drew, D.Lee, A.Dunn, C.Granderson, N.Cruz, G.Jones, Aramis.R
C.Sabathia, S.Baker, J.Sheilds, D.Price, J.Verlander, J.Lackey, M.Cain, T.Hanson. F. Rodriguez, J. Valverde, B. Lidge, J.A. Happ, M. Latos