On this weeks Scrum Down we look at both the exciting and worrying sides of the Premiership, with Alex Lowe joining to talk about the concerns that are still causing problems at London Irish as well as the latest developments with Worcester Warriors and Wasps. And then Ross Hamilton joins to go through the Premiership semi-finals by the numbers as we anticipating an exciting set of matches with Saracens taking on Northampton and Sale Sharks facing off against Leicester Tigers.