Want the latest Scottish sport news sent straight to your inbox? Join thousands of others who have signed up to our Record Sport newsletter.St Johnstone’s recent defensive strength has pleased Scott Tanser.The Perth club’s 0-0 stalemate with Aberdeen on Wednesday marked a third straight clean sheet.Saints are now unbeaten in six and Tanser hopes keeping it tight at the back will continue to provide the perfect platform for victories.“It’s been good to have Jason (Kerr) back,” said Tanser. “In the backline you need that leader and the captain of the team.“As a team we defended really well on Wednesday.