First off I forgot Garbhan Broughall so that's 28. :)
Also in fairness I named everyone I could think off who have been used at some stage this year.
I'll break it down for those interested:
Long term injuries:
Dave Ryan
Stephen O'Flynn
Shane Tracy
Yellow Lyons (only just coming back now)
Chris Breen (constantly getting hobbled with something or other)
Gary Sheehan (Mark Forker broke his leg on opening day, hasn't kicked a ball since)
Brian O'Callaghan
U-19 and reserve players:
Andrew Bhandharkar
Sean O'Callaghan
Sean Brosnan
Barry Sheedy
Shane Cusack
Senior players U-23:
Garbhan Coughlan
Garbhan Broughall
Jeffrey Judge
Paudie Quinn
Dave O'Leary
Brian McCarthy
More experienced Senior Players:
Barry Ryan
Corey Tracy
Shaun Kelly
Peter White
Paddy Purcell
John Frost
Joe Gamble
Sean O'Connor
Peter Hynes
Denis Behan