I would consider SDSU a better than even trade for UCLA and then it comes down to finding the right teams to help offset USC which is the only real loss to the conference.
Im sure the TV partners dont see it that way. And Ill argue that If UCLA and SDSU played every year the past 10 seasons UCLA would have won probably 7 times at least 6. I know we are only talking about football but through in the rest of the sports and its not even close.