AlessandroMatri struck the winner as Cagliari won their first away fixture since October 29, edging strugglers Bologna 1-0 at the Stadio Renato Dall'Ara.
It was his mistake which allowed Federico Peluso's long ball to release AlessandroMatri and the striker fired home, despite Kelvin Wilson trying to clear off the line.
Juventus benefitted from Muntari's unseen ghost goal but was penalized when its own forward, AlessandroMatri, had a goal disallowed in the second half for offside, while replays suggested otherwise.
Ezequiel Lavezzi and Michele Pazienza had the visitors 2-0 up after 65 minutes, but Cagliari hit back with three goals in the final 15 minutes through Joaquin Larrivey, AlessandroMatri -- his seventh in successive games -- and Brazilian striker Jeda.