Referee Matteo Marchetti gives a red card to Como's Dele Alli, covered by his teammates and AC Milan's Kyle Walker, during the Serie A soccer match between AC Milan and Como at the San Siro stadium, in Milan, Italy.

Como's Ivan Smolcic, top, leaps over a challenge from AC Milan's Ruben Loftus-Cheek during the Italian Serie A soccer match between AC Milan and Como at the San Siro Stadium in Milan, Italy.

AC Milan's Tijjani Reijnders, right, celebrates after scoring his side's second goal during the Italian Serie A soccer match between AC Milan and Como at the San Siro Stadium in Milan, Italy.

AC Milan's Tijjani Reijnders scores his side's second goal during the Italian Serie A soccer match between AC Milan and Como at the San Siro Stadium in Milan, Italy.

AC Milan's Christian Pulisic, centre, scores his side's opening goal during the Italian Serie A soccer match between AC Milan and Como at the San Siro Stadium in Milan, Italy.

AC Milan's Christian Pulisic, right, scores a goal during the Italian Serie A soccer match between AC Milan and Como at the San Siro Stadium in Milan, Italy.

AC Milan's Yunus Musah, right, is challenged by Como's Maxence Caqueret during the Italian Serie A soccer match between AC Milan and Como at the San Siro Stadium in Milan, Italy.

Como's Nico Paz, left, battles for the ball with AC Milan's Theo Hernandez during the Italian Serie A soccer match between AC Milan and Como at the San Siro Stadium in Milan, Italy.

Como's Lucas Da Cunha, right, celebrates after scoring the opening goal during the Italian Serie A soccer match between AC Milan and Como at the San Siro Stadium in Milan, Italy.

AC Milan's Rafael Leao, right, controls the ball away Como's Ivan Smolcic during the Italian Serie A soccer match between AC Milan and Como at the San Siro Stadium in Milan, Italy.