Colin Holmes has been added to Tyrone's doubtful list for their Bank of Ireland Ulster Senior Football Championship semi-final against Cavan on June 19.
Holmes sustained knee ligament damage in action for his club Armagh Harps at the weekend and looks set to be unavailable for up to six weeks.
Tyrone boss Mickey Harte is already sweating on the fitness of Brian Dooher (ankle) and corner forward Colm McCullagh (rib).
