It's beginning to look like Hernanes will replace Guarin (intermerda ultras placated) and pave the way for the Vucinic/Guarin exchange to happen without too much loss of face for Thohir and co. They get much needed goal threat.
I'd say in the short to medium term over the next 24 months the succession planning has to factor in the loss of Andrea Pirlo, probably at the end of next season. The concept of having a midfield core of Pogba, Guarin, Vidal and. Marchisio sharing duties with Pirlo is a pleasing thought for the rest of this season and the next one.