"I think some of the players can draw on part of that but I think they'll probably try to create their own experiences".
In an interview with the Daily Telegraph earlier this week., O'Neill said "the great managers try and get a reflection of themselves in their players" and this Ireland team are everything O'Neill and his assistant, Roy Keane would want them to be.
"We may need a couple of goals in the game because to keep out Denmark for two games might be tough".
Yet those attacking bursts were few and far between and it was our good fortune that Denmark lacked the quality and also the ambition to break down an Ireland team content to get men behind the ball. But I think we are capable of doing that. "The players did splendidly and put a lot of effort in. Urged on by a big crowd as well... we have a lot to play for". They know that they can't play a match where they have to stay so deep. He said: "Ireland didn't really surprise us". It's about keeping the tempo for us and taking the chances we do get.
"We'll be hard to beat, disciplined", Duffy said.
Having drawn 0-0 with the Danes in last night's play-off first leg, the tie is evenly balanced ahead of the second game in Dublin on Tuesday evening, when a place at next summer's tournament in Russian Federation will be at stake.
David Meyler may be a contender to start in the second leg after his magnificent performance in Wales and the team may need to be freshened up after what would have been a draining night both physically and mentally with all the pressure that was on that game.
Republic of Ireland travel to Denmark this weekend for the first leg of their crucial 2018 World Cup qualification tie, with a place in Russian Federation next summer on the line. "I believe in everyone and I believe we will go to the World Cup". "We've got to score a goal to get through the tie, so we've got to go for it".
Read Paul McGrath every week in The Sunday World.