AC Milan's Alvaro Morata, left, jumps for the ball with Roma's Gianluca Mancini during the Serie A soccer match between AC Milan and Roma at the San Siro stadium, in Milan, Italy.

AC Milan's Tijjani Reijnders, right, celebrates with teammates after scoring his side's opening goal during the Serie A soccer match between AC Milan and Roma at the San Siro stadium, in Milan, Italy.

AC Milan's Tijjani Reijnders scores his side's opening goal during the Serie A soccer match between AC Milan and Roma at the San Siro stadium, in Milan, Italy.

Roma's Paulo Dybala, front, jumps for the ball during the Serie A soccer match between AC Milan and Roma at the San Siro stadium, in Milan, Italy.

AC Milan's Ismael Bennacer, front, fights for the ball with Roma's Lorenzo Pellegrini during the Serie A soccer match between AC Milan and Roma at the San Siro stadium, in Milan, Italy.

Roma's Alexis Saelemaekers, left, and AC Milan's Theo Hernandez fight for the ball during the Serie A soccer match between AC Milan and Roma at the San Siro stadium, in Milan, Italy.

Roma's Paulo Dybala, front, fights for the ball with AC Milan's Alex Jimenez during the Serie A soccer match between AC Milan and Roma at the San Siro stadium, in Milan, Italy.

Roma's Evan Ndicka, left, fights for the ball with AC Milan's Samuel Chukwueze during the Serie A soccer match between AC Milan and Roma at the San Siro stadium, in Milan, Italy.

Roma's Paulo Dybala, second left, celebrates with teammates after scoring his side's first goal during the Serie A soccer match between AC Milan and Roma at the San Siro stadium, in Milan, Italy.

Roma's Paulo Dybala, left, scores his side's first goal during the Serie A soccer match between AC Milan and Roma at the San Siro stadium, in Milan, Italy.