Inter went ahead after two minutes of the semi-final second leg when Christian Eriksen scored direct from a corner, badly misjudged by goalkeeper David Ospina, but Mertens levelled before halftime with his 122nd goal for the club in all competitions.
Serie A
Insigne double fires Napoli to win over Bologna
Napoli went through 2-1 on aggregate thanks to their 1-0 win at San Siro four months ago and will meet Juventus in Wednesday's final in Rome.
Both teams were playing their first game since the end of the three-month stoppage for the coronavirus and the pace dropped considerably in the last 20 minutes despite both teams making the permitted five substitutions.
Serie A
Sanchez double keeps Inter in command of Serie A
04/03/2021 AT 18:41
Serie A
Mertens marks return with a goal as Napoli beat Benevento
28/02/2021 AT 19:32