This is the third squad the Saints keeper has been a part of although he has still to make his international debut. With Craig Levein gone and Billy Stark in temporary charge of the national side it isn't a huge surprise that several players have pulled out, the withdrawl of Cardiff's David Marshall handing Samson his chance.
Meanwhile, Saints youngster Mark Williams has been named in the Scotland under-18 squad for a training camp later this month.
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Source: Mirren MAD