The Adelaide Crows player took to Instagram on Thursday to share the devastating news with fans.
'Last week we said goodbye to our beautiful little man. Leo Rory Sloane was born into the world still, but perfect,' he said.
'Leo Rory Sloane was born into the world still, but perfect.
'Thanks for making us the proudest parents and filling our hearts with love beyond measure.
'The moments we had with you are now beautiful memories that will last a lifetime 💙🦁'
Last Saturday night, Sloane withdrew from the Adelaide Crows AFL game due to personal reasons.
Their son's stillbirth comes after the couple married in Byron Bay, New South Wales, in October 2016.
This article originally appeared on New Idea.