Former Juventus defender Nicola Legrottaglie is unimpressed by their winter market work.
Roma's Marco Borriello, Simone Padoin of Atalanta and Sevilla's Martin Caceres all joined Juve in January.
"The January signings won't change the balance of the side," Catania defender Legrottaglie told Tutto Juve.
"They will be useful over the course of the season, but the protagonists who have dragged Juve along during the first half of the campaign will remain the same."