Tyrone have suffered a triple blow in the build-up to their Ulster Championship match against Monaghan on 5 June.
Sean Cavanagh and Philip Jordan picked up injuries in weekend club action, while Owen Mulligan could be suspended.
All three were playing in the same game. Cavanagh sustained an elbow injury, while his Moy clubmate Jordan suffered a dead leg.
Mulligan, playing for Cookstown against Moy, received a straight red card.