Conor Jackson or Kubel?

[TeamMikeDeveraux]

Hey guys,
I have an OPEN slot resulting from a trade, so who is the best WW pickup for the rest of the year? League info below and WHIR
Jason Kubel (OF)
Conor Jackson (1B/OF)

League info
12Team H2H 5x5 non-keeper
C Ianetta
1B Votto
2B Utley
3B DeRosa (2B/OF)
SS Tulo
IF Hardy
OF Braun, Holliday, Markakis, McLouth
Util Hart

SP Timmay Lincecum, Bedard, Matt Cain, Edinson Volquez, Nolasco, Carmona
RP Matt Capps, Gregg, Manny Corpas
BN Mike Pelfrey Ubaldo Jimenez, Joel Hanrahan
DL Escobar, Bonderman

[Howie]

Co-Jack. Dude started cold but he puts up nice stats normally.

[TeamMikeDeveraux]

I like CoJack because he can work at my INF position as well and he steals some bases. But, Kubel has the full time gig in MIN and looks like he has 30 HR power. Anyone else? Thanks and WHIR