Commentary:
90+5' Marco Guida signals a free kick to AC Milan in their own half.
90+5' Samu Castillejo (AC Milan) has been booked and must now be careful not to get a second yellow card.
90+5' AS Roma awarded a free kick in their own half.
90+4' Throw-in for AS Roma at Stadio Olimpico.
90+4' AS Roma drives forward and Henrikh Mkhitaryan gets in a shot. Without netting, however.
90+3' AC Milan's Samu Castillejo looks ok and returns to the pitch.
90+1' Play has been interrupted briefly in Rome to check on Samu Castillejo, who is grimacing with pain.
90+1' Can AS Roma get the ball into an attacking position from this throw-in in AC Milan's half?
90' Marco Guida signals a free kick to AS Roma in their own half.
89' Lorenzo Pellegrini (AS Roma) has received a first yellow card.
89' AC Milan awarded a free kick in their own half.
88' Throw-in AC Milan.
88' AS Roma are in shooting range from this free kick.
87' Ball safe as AS Roma is awarded a throw-in in their half.
85' Davide Calabria (AC Milan) has been booked and must now be careful not to get a second yellow card.
85' In Rome a free kick has been awarded the home team.
84' Can AS Roma capitalize from this throw-in deep inside AC Milan's half?
84' Marco Guida signals a AS Roma throw-in in AC Milan's half.
83' Free kick AC Milan.
83' Stefano Pioli is making the team's fifth substitution at Stadio Olimpico with Soualiho Meite replacing Sandro Tonali.
83' Samu Castillejo is on a sub for Alexis Saelemaekers for AC Milan.
82' AC Milan have been awarded a corner by Marco Guida.
81' AC Milan's Rade Krunic gets in a shot on goal at Stadio Olimpico. But the effort is unsuccessful.
80' Henrikh Mkhitaryan for AS Roma has been booked by Marco Guida and receives a first yellow card.
80' Free kick for AC Milan in their own half.
79' Paulo Fonseca (AS Roma) is making a fourth substitution, with Pedro replacing Borja Mayoral.
79' AS Roma make their third substitution with Amadou Diawara replacing Jordan Veretout.
78' Marco Guida awards the home team a throw-in.
78' In Rome AC Milan drive forward through Fikayo Tomori. His shot is on target but it's saved.
77' It's getting dangerous! Free kick for AC Milan close to the penalty box.
76' Marco Guida awards the away team a throw-in.
75' Throw-in for AC Milan at Stadio Olimpico.
75' Ball safe as AS Roma is awarded a throw-in in their half.
74' In Rome, Bruno Peres (AS Roma) gets his head to the ball but the strike is cleared by an untiring defence.
73' It's a goal kick for the home team in Rome.
73' AC Milan's Alexis Saelemaekers breaks free at Stadio Olimpico. But the strike goes wide of the post.
72' Goal kick for AC Milan at Stadio Olimpico.
72' AS Roma are coming forward and Henrikh Mkhitaryan gets in a strike, it misses the target, however.
71' AS Roma awarded a throw-in in their own half.
71' AC Milan have been awarded a corner by Marco Guida.
70' The home team replace Gonzalo Villar with Stephan El Shaarawy.
70' In Rome AS Roma's Borja Mayoral is caught offside.
69' Rafael Leao for AC Milan drives towards goal at Stadio Olimpico. But the finish is unsuccessful.
68' Leonardo Spinazzola gets his shot on target but fails to score for AS Roma.
68' Corner awarded to AS Roma.
67' Throw-in for AS Roma close to the penalty box.
67' It seems as if Ante Rebic is unable to continue. Rade Krunic replaces him for the away team.
65' Ante Rebic is writhing in pain and play has been suspended for a few moments.
65' Throw-in AC Milan.
64' Lorenzo Pellegrini (AS Roma) gets in a powerful header but the ball is cleared away.
64' Throw-in for AS Roma in their own half.
63' Ball goes out of play for a AC Milan goal kick.
63' AS Roma's Henrikh Mkhitaryan misses with an attempt on goal.
62' Bruno Peres is replacing Federico Fazio for AS Roma at Stadio Olimpico.
62' Throw-in for AS Roma in the half of AC Milan.
61' AC Milan to take a throw-in in AS Roma territory.
60' Goal kick for AC Milan at Stadio Olimpico.
60' Marco Guida signals a throw-in for AS Roma, close to AC Milan's area.
58' That's a fine assist from Alexis Saelemaekers.
58' Goal! Ante Rebic gives AC Milan a 1-2 lead in Rome.58' Marco Guida awards the home team a throw-in.
57' Can AS Roma get the ball into an attacking position from this throw-in in AC Milan's half?
56' Rafael Leao is replacing Zlatan Ibrahimovic for the away team.
56' AS Roma have a goal kick.
56' AC Milan's Zlatan Ibrahimovic gets his shot away but it misses the target.
55' AC Milan push upfield but Marco Guida quickly pulls them for offside.
53' Marco Guida signals a free kick to AC Milan in their own half.
52' A throw-in for the away team on the opposite half.
52' AS Roma awarded a free kick in their own half.
51' Free kick for AC Milan in their own half.
50' Great play from Leonardo Spinazzola to set up the goal.
50' Goal! Jordan Veretout levels the match at 1-1.49' It's a goal kick for the home team in Rome.
49' Theo Hernandez for AC Milan gets in a strike but fails to hit the target.
47' Marco Guida awards AC Milan a goal kick.
46' Alexis Saelemaekers (AC Milan) gets a yellow card.
46' AS Roma awarded a free kick in their own half.
46' The away team have replaced Hakan Calhanoglu with Brahim Diaz. This is the first substitution made today by Stefano Pioli.
The whistle has gone to end the first-half.
45+2' Free kick for AC Milan in their own half.
45+2' Ball safe as AC Milan is awarded a throw-in in their half.
45+1' AS Roma have been awarded a corner by Marco Guida.
44' Marco Guida signals a free kick to AC Milan in their own half.
44' Corner awarded to AS Roma.
43' Davide Calabria is back on the pitch.
43' Franck Kessie converts the penalty to give AC Milan a 0-1 lead.41' Federico Fazio is booked for the home team.
40' The match at Stadio Olimpico has been interrupted briefly for a check on Davide Calabria, who is down injured.
40' AS Roma to take a throw-in in AC Milan territory.
38' Ball goes out of play for a AC Milan goal kick.
38' In Rome AS Roma attack through Henrikh Mkhitaryan. The finish is off target, however.
36' Lorenzo Pellegrini gets his shot on target but fails to score for AS Roma.
35' Throw-in for AS Roma in the half of AC Milan.
35' Corner awarded to AC Milan.
35' AC Milan's Alexis Saelemaekers is on target but unsuccessful.
33' Marco Guida signals a AC Milan throw-in in AS Roma's half.
33' AC Milan have been awarded a corner by Marco Guida.
33' Ante Rebic for AC Milan drives towards goal at Stadio Olimpico. But the finish is unsuccessful.
32' A throw-in for the away team on the opposite half.
31' Marco Guida awards AS Roma a goal kick.
30' Can AC Milan get the ball into an attacking position from this throw-in in AS Roma's half?
30' Marco Guida signals a free kick to AC Milan in their own half.
29' Marco Guida signals a AS Roma throw-in in AC Milan's half.
28' AC Milan awarded a free kick in their own half.
28' AS Roma have been awarded a corner by Marco Guida.
27' Free kick for AS Roma in the half of AC Milan.
27' Jordan Veretout heads against the bar! Very nearly a goal there for AS Roma.
27' Corner awarded to AC Milan.
25' Alexis Saelemaekers for AC Milan is whistled offside.
25' It's a goal kick for the away team in Rome.
23' In Rome a free kick has been awarded the home team.
23' AS Roma to take a throw-in in AC Milan territory.
22' AS Roma's Jordan Veretout gets in a shot on goal at Stadio Olimpico. But the effort is unsuccessful.
22' Throw-in high up the field for AS Roma in Rome.
21' Throw-in for AC Milan in their own half.
21' Marco Guida signals a free kick to AS Roma.
20' AS Roma awarded a throw-in in their own half.
20' AS Roma push forward at Stadio Olimpico and Federico Fazio gets in a great header. The attempt is cleared by the AC Milan defence.
20' AS Roma have been awarded a corner by Marco Guida.
18' Throw-in for AS Roma at Stadio Olimpico.
18' Goal kick for AS Roma at Stadio Olimpico.
18' Zlatan Ibrahimovic (AC Milan) gets up for a header but cannot keep the ball on target.
17' Corner awarded to AC Milan.
17' In Rome AC Milan drive forward through Ante Rebic. His shot is on target but it's saved.
15' AC Milan have a goal kick.
13' Throw-in for AC Milan in the half of AS Roma.
12' Corner awarded to AC Milan.
11' Can AC Milan get the ball into an attacking position from this throw-in in AS Roma's half?
10' A throw-in for the away team on the opposite half.
9' Marco Guida blows against AC Milan's Zlatan Ibrahimovic for offside.
7' Free kick AC Milan.
6' AS Roma have a dangerous throw-in.
5' Ball goes out of play for a AS Roma goal kick.
5' AC Milan are pushing forward but Zlatan Ibrahimovic's finish is wide of the goal.
5' Free kick for AS Roma in their own half.
3' AC Milan have been awarded a corner by Marco Guida.
3' AC Milan pushes forward through Zlatan Ibrahimovic, whose finish on goal is saved.
3' AC Milan's Simon Kjaer is whistled for offside at Stadio Olimpico.
The first-half is just kicking off.
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