Group information: Lazio had been with out Mario Gila and Luca Pellegrini, whereas Milan needed to do with out Marco Sportiello, Alessandro Florenzi, Malick Thiaw, Ismaël Bennacer, Luka Jović and Álvaro Morata. Kickoff time for Serie A Matchday 3 was 20:45 CEST at Stadio San Siro.
Objectives: Pavlović (8′), Castellanos (62′), Dia (66′), Leão (72′)
S.S. Lazio (4-2-3-1 ) – Marco Baroni
Ivan Provedel; Manuel Lazzari (46′ Adam Marušić), Patric, Alessio Romagnoli, Nuno Tavares (90′ Elseid Hysaj); Mattéo Guendouzi, Nicolò Rovella; Loum Tchaouna (46′ Gustav Isaksen), Boulaye Dia (81′ Fisayo Dele-Bashiru), Mattia Zaccagni; Taty Castellanos (87′ Tijjani Noslin).
Unused: Furlanetto, Mandas; Castrovilli, Vecino; Pedro.
AC Milan (4-2-3-1) – Paulo Fonseca
Mike Maignan; Emerson Royal (70′ Theo Hernández), Fikayo Tomori, Strahinja Pavlović, Filippo Terracciano; Youssouf Fofana, Tijjani Reijnders (70′ Yunus Musah); Samuel Chukwueze (70′ Rafael Leão), Ruben Loftus-Cheek, Christian Pulisic; Noah Okafor (70′ Tammy Abraham).
Unused: Raveyre, Torriani; Bartesaghi, Calabria, Gabbia; Zeroli; Camarda, Cuenca.
Referee: Davide Massa.