McCullum, who retires from the international arena after the second Test against Australia starting at Hagley Oval on Saturday, encouraged New Zealand to play with a freedom and aggression that has had a 'ripple effect' on the game.
McCullum led from the front, both with the bat and in the consistently attacking fields against the opponents. His team won plaudits for accepting the rough with the smooth and refusing to make excuses on their rare bad days.
New Zealand have not been beaten in a home series under McCullum, though they will need to win in Christchurch to preserve that record. Last year they qualified for a World Cup final for the first time before being well beaten by Australia at the Melbourne Cricket Ground.
In Wellington earlier this month, McCullum became the first cricketer to play in 100 consecutive Tests since debut, this  despite a persistent back problem that saw him give up the gloves after starting his career as a wicketkeeper-batsman.

He moved up to open the innings before dropping back down the order, where he has been able to express his full range of shots and extraordinary bat speed. An average of a couple of points below 40 confirms McCullum's honest assessment that he was not a great Test batsman.
However, he was able to summon enough patience and concentration to record four Test scores in excess of 200, including a New Zealand record 302 to save a Test against India which appeared lost at the Basin Reserve.
Reflecting on his career before the first Test against Australia in Wellington, McCullum said he was proud of the team's evolution.
"The last 15 or 20 Tests have been an incredible part of my life, the changes that we've been able to make, the evolution of the environment and the performances we have started to put up," he said.
"You look back with a sense of pride in what you've been able to achieve with a group of guys. It's got to be authentic to your nation. That's one thing we've tried to instil in this team, make it authentic to what our country is about, that real humbleness and ability to take on stronger opposition a collectiveness in a group of men," he added.

The 34-year-old added that on a personal level, working his way through injuries and dips in form to keep his place in the team was also satisfying. "And to be able to play 100 straights Tests as well, I'm pretty proud about the longevity and being able to overcome not only injuries but also the toughness of touring and the ups and downs of performance and still being able to get back off the canvas and still warrant a place in the team," he said.
While the triple century against India and an away series win over West Indies were the highlights of his career, McCullum said it was the camaraderie of the dressing room that would linger longest in his memory.

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