Saracens come to Franklin's Gardens for the first semi-final, with the 2pm kick off selling well and approaching a 16th sell out from 16 at Franklin's Gardens this season.
And, should the Saints prevail, the Aviva Premiership Final follows seven days later at Twickenham, with the winners of the weekend's tie advancing to face either Bath or Leicester.
StubHub have prime seats available for both fixtures - find out more or buy online at bit.ly/1c6FQOt
