After his latest trip to the Aviva Stadium, the Borussia Dortmund midfielder insisted he was not being disparaging when he referred to Ireland's combative approach as "primitive", but it drew a curt response from the Republic boss.

O'Neill said: "It's not long ago that Denmark were considered a primitive side with a world-class player. Sometimes it's quite easy to make those sort of remarks.

"Denmark, who did exceptionally well in the World Cup, eventually didn't cause us many problems and they can play pretty primitively too – the centre forward, who's 6'7", Cornelius, who didn't play in the game – they're a strong, physical side.

"If you asked teams around Europe, they'll say [Christian] Eriksen, world-class, Delaney's a top-quality player, little [Pione] Sisto plays in a big league as well in Spain. But they can dish it out themselves if necessary.

"They're as physical a side as you'll see in European football, so I wouldn't concern myself about other remarks."

O'Neill is well aware of the need to inject greater creativity into a side which simply does not boast the quality of an Eriksen or a Gareth Bale, one of a series of players who will be missing from the Wales team which will face Ireland at the Aviva on Tuesday evening.

Ireland have scored only nine times in their last 12 games and rarely looked like doing so against Denmark.

They will have to win at least one of their remaining two games – they head for Denmark next month – if they are to avoid relegation from League B, and they may not have a better chance of doing so against Wales with Bale, Ethan Ampadu and Chris Mepham all injured and Aaron Ramsey unavailable for family reasons.

However, the Ireland boss is urging his players not to be taken in by opposite number Ryan Giggs' apparent selection crisis.

He said: "They'll be able to fill positions, as they did when they got to the semi-finals in the Euros a couple of years ago.

"Gareth Bale is a truly world-class player who can turn games and it's great to have that at your disposal. He can win matches just by going past two or three players.

"But Wales are well-equipped with other players in their side, as they've shown in the last couple of years."

O'Neill has seen midfielder Callum O'Dowda added to his own list of casualties after he was left dizzy by a challenge in Saturday's game.

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