The Celtic fans are excited now that Brendan Rodgers has made his first summer signing before taking the team to the USA for the Summer Tour. The trip will give the young Finnish ‘keeper the chance to meet and bond with his new Celtic teammates as he looks to settle in and get to grips with being part of such a huge club. But it seems that Sinisalo has already been given the lowdown on the club as the new Hoops recruit shares what Gary Caldwell had told him about Celtic before he made the Parkhead switch. How Sinisalo was sold on ‘wonderful’ CelticSinisalo spent a season on loan at Caldwell’s …