An intriguing tie between two very different sides will decide who claims a place in next month's final against either Milan or Inter, and the hosts' greater nous and knowhow could be enough to help them make it through to Rome.
Though the Allianz Stadium is no longer a stronghold for the Bianconeri - who have lost there five times in a season for the first time since its inauguration 11 years ago - a draw would secure aggregate victory and extend the Viola's Coppa Italia drought dating back to 2001.
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