I think you need to do both deals. Freddie Freeman will perform admirably in pujols' stead, and Kershaw is a stud. No need to worry about Cain as you'll have Kershaw in his place. The way I see it, you need to look at the trades as a whole.
Cain, Infante, and Pujols for
Kershaw, kipnis, and Freeman, with a great reliever with a chance to close.
I think you're getting the better end of the deal here.
Also, if you're that worried, you've shown you have no problem buying low; flip him for Kinsler and you might even get another piece with it at this point.
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