Following England’s 4-1 Ashes series loss to Australia, head coach Brendon McCullum defended his attacking 'Bazball' philosophy, saying he is not rigid in his beliefs but has conviction in his methods. The aggressive, positive, and results-focused style, developed alongside captain Ben Stokes, was again exposed as England were outplayed, culminating in a five-wicket defeat in the final Sydney Test.

England’s hopes of a 2-3 scoreline were ended after Australia secured the Ashes with a win in Adelaide. Having failed to win major five-match series against India and Australia, both home and away, the English approach has come under intense scrutiny.

"I take offence to [any suggestion I don't want to evolve]. I am not against evolution, I welcome it. I am not rigid in my beliefs, but I have conviction in my methods," McCullum said in response to a question from former England captain Nasser Hussain, according to Sky Sports.

He added: "That does not mean you are blind to progress, but to throw everything out that has worked in pursuit of something completely unknown does not make any sense." McCullum said he is open to continuing as head coach, but the decision does not rest with him.

"I am keen to carry on in the role. Those decisions ultimately aren't up to me, but the lessons we will digest from this tour and what we have built, it would be a shame to rip that up and chase something no one knows whether it will be successful," he said. "If we stay true to what we believe in, we give ourselves a good opportunity to progress as a team over the next few years. In this series, we have been pretty poor in the key moments so it was a real missed opportunity."

On accountability, he said: "There is always accountability and no soft environment for myself and the skipper. What we say in the dressing room can be very different to what we say in public. Nothing is binary. Some guys are at their best putting teams under pressure, others when they are trying to absorb. We are not the first team to get that balance wrong in Australia."

Speaking about his relationship with Ben Stokes, McCullum said they are "always on the same page" and have developed a strong professional and personal bond. "We have robust conversations. It does not mean we agree all the time, but we commit to the side and then whatever we decide we support the other one."

England won the toss and batted first, scoring 384 runs with Joe Root (160) and Harry Brook contributing big innings. Australia responded with 567, thanks to Travis Head (163), Steve Smith (138), and Beau Webster (71), giving them a 183-run lead. Josh Tongue and Brydon Carse took three wickets each.

England’s second innings featured a maiden Test century from all-rounder Jacob Bethell (142 off 265 balls), finishing with 342. Mitchell Starc and Beau Webster took three wickets each, with Scott Boland claiming two. Setting Australia 160 to win, England reduced them to 121/5, but Alex Carey (16*) and Cameron Green (22*) guided Australia home for a five-wicket victory