Also keep in mind that DeSantis is an UFA at the end of the yr and Nash is a RFA. That gives the Panthers a player that (if they choose to) is easier to re-sign. Also it saves San Antonio about $30K in salary between the 2. When most accounts suggest that DeSantis was not very good for the Rampage (read blog post below), it was basically a deal of addition by subtraction.
http://rampagenate.blogspot.com/2012...r-rampage.html