Lorenzo Insigne is back in the Napoli squad after suspension ruled him out for last week’s win against Parma, while Arkadiusz Milik is the favourite to partner him rather than misfiring Dries Mertens.
Raul Albiol, Mario Rui and Amin Younes are still out injured, but today Carlo Ancelotti tested Chiriches at centre-back rather than Nikola Maksimovic.
It would be a huge show of faith in the Romanian, who has made only one appearance this season after suffering a serious knee injury in September.
Juventus miss Douglas Costa, Sami Khedira and Juan Cuadrado for this trip to the Stadio San Paolo.
Cristiano Ronaldo and Pjanic were in some doubt with a knock to the ankle and flu symptoms respectively, but both are expected to fully recover and start the big match.
Paulo Dybala is the only real question mark, as he could make way for Federico Bernardeschi in the trident attack.