Dynasty trading WHIR

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I'm in a deep h2h dynasty league (20 teams, 25 keepers). It's 6x6 with holds and OPS as the 2 extra categories.

I was offered the following trade; however, I suspect he's really just indicating to me who he's interested in and who he's willing to move. So, I'm more looking for suggestions on a fair counter offer than whether to accept this particular offer.

My:

Chris Davis
Pablo Sandoval
Brandon Wood
John Danks
Ricky Nolasco
21st Overall pick

For:

Prince Fielder
Kevin Youkilis
Chris Johnson (Hou)
Ryan Dempster
Vincente Padilla
89th Overall pick

Now, obviously I covet Prince Fielder, and would like a more sure thing at 1B. I think Davis should bounce back based on how he finished the year, but I just don't know what will happen there if he slumps and they bring up Smoak. I was thinking something like Fielder, Youkilis, and his pick for Sandoval, Davis, Danks, and my pick. So, would something like that be worth it? Or is my valuing off here? Suggestions?

My expected roster at this point:

C Joe Mauer
1b Chris Davis
2b Ian Kinsler
3b Pablo Sandoval
ss Yunel Escobar
of Nelson Cruz
of Matt LaPorta
of Michael Brantley
util Brandon Wood
util Mike Cameron
bench Lars Anderson
bench Conor Jackson
bench Ben Francisco/Nate Schierholtz or possibly Jeremy Guthrie as a another SP(haven't decided which)

SP (with 11 starts max a week):

John Danks
Jeremy Bonderman
Jon Lester
Ricky Nolasco
Jeff Niemann
Kevin Correia
Francisco Liriano

RP:

Heath Bell
David Aardsma
Jose Valverde
Angel Guzman
Darren O'Day