“Murphy’s out, 100%,” said Devenney during UTV’s Friday Night Sport. “They’re keeping him back for the next game.”

Devenney’s comments could mean that Murphy, who is carrying a knee injury, may be held in reserve, to be introduced from the bench if Donegal are struggling.

Donegal are already missing former Footballer of the Year Karl Lacey for the tie, but Murphy was

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Should he miss out through injury, Donegal would be without, arguably, their most influential defender and attacker.

Bombshell dropped by @brendandevenney on @FNS_UTV tonight that Michael Murphy is out for the Galway game.

— Ger Gilroy (@gergilroy) July 31, 2015

If Michael Murphy really is out for @officialdonegal it gives @TribesmenGAA a real chance.

— Oisin Langan (@oisinlangan) July 31, 2015

Brendan Devenney says Michael Murphy is out for Galway. He's probably blaggarding but if he is & with Lacey out too Gway have a real chance

— Conor Heneghan (@conorheneghan1) July 31, 2015