"If there is a tackle there to be won, it's just normal that you go in and try to win it.
"Of course the last thing anybody wants, and certainly the players and me, is for anybody to get injured.
"To miss a major tournament like this after all the hard work we have done over the last few years, would be terrible for any player.
"I feel for the players, people like Cahill in his first major tournament, who miss out with an injury.
The Republic will leave Hungary on Tuesday morning for their Gdynia base near the Polish city of Gdansk, where they will continue preparations ahead of their opening game against Croatia in Poznan on Sunday.
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