For the sake of argument...

[ruby23]

<!--quoteo(post=93729:date=Apr 30 2010, 08:01 AM:name=Coldneck)-->QUOTE (Coldneck @ Apr 30 2010, 08:01 AM) <{POST_SNAPBACK}><!--quotec--><!--quoteo(post=93727:date=Apr 30 2010, 08:57 AM:name=ruby23)--><div class='quotetop'>QUOTE (ruby23 @ Apr 30 2010, 08:57 AM) <{POST_SNAPBACK}><!--quotec--><!--quoteo(post=93723:date=Apr 30 2010, 07:25 AM:name=Coldneck)--><div class='quotetop'>QUOTE (Coldneck @ Apr 30 2010, 07:25 AM) <{POST_SNAPBACK}><!--quotec-->Would it be smart to trade Starlin Castro for Adrian Gonzalez and say goodbye to D Lee? Would Starlin be enough?<!--QuoteEnd--><!--QuoteEEnd-->
No and no.
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Really, what your reasoning? I think I'd definitely make that trade, but I'm not sure Castro is enough to make SD do the deal. Basically we are all hoping that Castro turns into someone as valuable as AG. Gonzalez is young, will hit 40+ HRs at Wrigley and is a top defender (albeit at a less important position than SS). The one advantage Castro has is his cost. But I'd definitely trade a potential stud for a proven stud.
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Because 1st base is the easiest position to find an adequate replacement at in baseball, SS is the most difficult. It would take Castro and probably 2-3 more top prospects to get Gonzalez. Gonzalez would then need to be signed to a Soriano-type extension after the season. It's just not a winning situation for the Cubs, IMO.