Tru is a zone coverage CB rather than the press coverage CB that Wade prefers; so he was never really ideal for this new defense. Jenks would have been the preferred veteran CB, and I am still sick that Fisher's regime allowed him to go (although I can't really blame Jenks for wanting to leave the old coaching brass).
Don't be too sure that a rookie press CB cannot be effective. Jenks didn't do too badly in 2012, and we have a superior defensive mind evaluating all viable veteran and rookie CB's now.