The Serie A club were playing their first game since Astori died suddenly in his sleep at the team hotel last week.
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They had been due to meet their relegation rivals on March 17, but with the head of the Roman Catholic Church in town, it was not possible.
Two goals in three second-half minutes helped Inter Milan to a 2-0 victory at home to Benevento and moved them up to third in the Serie A table.
Former Arsenal and Manchester City defender Sagna said he would draw on the experience he had gained working with Arsene Wenger and Pep Guardiola.
Mali striker Cheick Diabate needed just 12 minutes to endear himself to his new club's fans as they beat Crotone on Sunday.
The Portland Timbers signed forward Samuel Armenteros on loan from Serie A side Benevento on Friday.
Former Arsenal and Manchester City defender Bacary Sagna has signed for Benevento, who are currently bottom of Serie A.
Benevento recorded their first-ever Serie A victory with a 1-0 win over Chievo Verona on Saturday in the final match of the first half of the season.
Gennaro Gattuso says that he would rather have been stabbed than see Benevento goalkeeper Alberto Brignoli ruin his debut with a last-gasp equaliser.
Mauro Icardi and Milan Skriniar were also on target for Inter, who took full advantage of Napoli's defeat to Juventus on Friday.
Benevento keeper Alberto Brignoli felt justice was served after he scored a last-gasp goal against Milan to earn the Campania club their first point.
Benevento keeper Alberto Brignoli scored a 95th-minute equaliser against Milan to earn his side's first point of the season and deny Gennaro Gattuso.
Benevento were on a 14-match losing run in Serie A -- until their GOALKEEPER won them a point at the expense of AC Milan on Sunday.
Team one game away from setting a new record for consecutive league defeats from the start of a season after Sunday's loss at Juventus.
Juventus survived a scare as they came from behind to beat Serie A's bottom club Benevento 2-1 at home.
Benevento were excited about their first promotion to Serie A, but they are the worst team in Europe's top-flight leagues. So that has changed.
Benevento sacked Marco Baroni and named Roberto De Zerbi coach after becoming the first squad in Serie A history to lose their first nine matches.
Romulo fired Hellas Verona to their first win of the Serie A season as 10-man Benevento went down 1-0 in an eighth straight defeat.