Parties are forbidden under coronavirus restrictions in Italy. There is also a nightly curfew in place in the country between 10 p.m. and 5 a.m.
Police were reportedly alerted by neighbors and arrived at McKennie’s house at around 11:30 p.m.
The trio will be fined and will also face sanctions from Juventus. McKennie, who is the first American to play for Juventus, joined the team in August.
The 22-year-old midfielder has scored four goals in 24 Serie A appearances for Juventus. He also scored in a Champions League win at Barcelona.