Tyrone star Cathal McShane has suffered a serious looking ankle injury in the defeat to Galway today in Pearse Stadium in Tuam.
McShane went down in the second half with an ankle problem and was clearly in discomfort before being stretchered off.
Team-mate Mattie Donnelly told BBC Radio that the injury looked like "structural damage".
McShane has gone to hospital for assessment.
He recently turn down offers to play in the AFL in Australia and had just returned to the Tyrone panel.
The full-forward won an All Star last season.