Republic of Ireland assistant John O'Shea says they're "hopeful" that Evan Ferguson will be fit enough to play some part against Hungary on Sunday.
The on-loan Roma striker has missed three club matches with an ankle injury and is out of the World Cup qualifier against Portugal.
Celtic striker Johnny Kenny and Hibernian midfielder Jamie McGrath have been called up for Thursday's match at the Aviva Stadium.
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The Boys in Green are a point behind second-placed Hungary in the group ahead of the final two matches in the campaign.
