Should I trade prospects (Chacin, Santana)?

[Southern Illinois Cardinals Fan]

Hi guys. I was wondering if I should trade prospects.

He would get:
Carlos Santana (3 years)

I would get:
Jhoulys Chacin (4 years)

Here is my farm system:

Brett Gardner OF
J.A. Happ P
Fernando Martinez OF
Carlos Rosa P
Chris Tillman P
Dexter Fowler OF
Mitchell Boggs P
Nolan Reimold OF
Tyler Robertson P
Drew Stubbs OF
Hector Gomez
Carlos Santana C
Chris Nelson 3B
Xavier Avery OF
Jeremy Bleich P
Tyler Ladendorf SS
Kyle Russell OF
Danny Murphy INF
Adam Moore C
Luis Valbuena 2B

My catcher is currently Mike Napoli (3 years).