He is the youngest player in SPL history . He is also the youngest player to have ever played football for Hearts , having made his first play in a 1-0 win over Inverness Caledonian Thistle on 26 April 2008 . Robinson is officially the youngest player in SPL history and is also the youngest player to have ever played competitive football for Hearts , having made his debut in a 1 â `` 0 win over Inverness Caledonian Thistle on 26 April 2008 .