Napoli midfielder Kevin De Bruyne was substituted during the away match against Juventus due to an ankle sprain, while Giovanni Di Lorenzo and Weston McKennie suffered adductor problems.
Juventus and Napoli were forced to make several substitutions during the match played on Sunday evening at the Allianz Stadium.
Updates on injuries to McKennie, De Bruyne and Di Lorenzo
De Bruyne and Di Lorenzo were replaced at halftime due to physical issues. According to reports from Sky Sport Italia, the Belgian midfielder suffered an ankle sprain, while the Napoli captain complained of an adductor problem.
Juventus midfielder Weston McKennie also suffered an adductor injury and was substituted during halftime, as reported by Gazzetta dello Sport.
Juventus then secured a 2-0 victory thanks to goals from Kerim Alajbegovic and Jeremie Boga, both scored in the second half.
Juventus and Napoli face demanding schedule
Both teams have a busy schedule, with two more matches planned in the next seven days.
Napoli will visit Porto next Wednesday in the Champions League, before hosting Lazio on Sunday in Serie A.
Juventus, meanwhile, will play away against AZ next Thursday in the Europa League, and then face Fiorentina on Sunday.