They came, they saw, some of them conquered, then never donned the green shirt again.
Ireland play Mexico in New Jersey tonight with Colin Doyle almost certain to win his second cap for Ireland.
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Can you name these other men who won just one cap for Ireland? Unlike Doyle, they are unlikely to add to their tally.
There's no time limit here but we trust you won't go Googling the answers, you're only cheating yourself if you do.
Best of luck!
