Kane Williamson, the New Zealand captain, lived up to his billing as one of the world's best batsmen with a superb hundred in their Group A opener against Australia at Edgbaston on Friday.
The Black Caps, who won the tournament in 2000, kept the same team from its opening Group A match against Australia, which was abandoned with no result because of rain.
"It's about trying to get that win to get through to that next stage, but to also try and find a few weak points in some of their players heading into the summer as well".
Despite his limited preparation after a long recovery from a fractured foot in March, and the stop-start nature of the tournament, Starc said he felt like his best bowling was nearly there.
"Absolutely", Guptill told reporters in Cardiff on Monday.
"But to be fair, it was raining reasonably hard when we did come off, yeah".
"The New Zealand game wasn't our best performance by any means".
The England captain admits it was "men against boys" when England were trounced by the Kiwis in their last meeting at a global one-day worldwide tournament.
Aussie pace spearhead Mitch Starc is ready to send a pre-Ashes warning to the cocky English batsmen when the two teams confront each other in the Champions Trophy on Saturday.
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Three days prior, Australia had been grateful to the elements as heavy showers forced a washout against New Zealand with Steve Smith's side looking set for defeat. "I guess we've just got to beat England".
He added: "We can't let that dictate the way we play".
"For us it's a must-win game".
"We have to beat England and then I think we're through".
Eight members of Australia's Test squad from their recent tour of India are part of this Champions Trophy campaign, along with another Test contender in James Pattinson, while England's squad includes their new Test leadership duo of Joe Root and Ben Stokes as well as Test regulars Jonny Bairstow and Moeen Ali.
Play went on uninterrupted as a stoic Tamim Iqbal approached what would have been his first century against Australia.
"They're both obviously world class players - they can both be destructive without hitting those massively big shots", he said.
But Morgan said that his side haven't transformed the way they approach the 50-over game exclusively on their experiences that day. They're not going to go out and blast at a 160 strike rate through the innings.
"If either one gets in, you know it could be a long day for whoever is in the field".
However, this game against the Kiwis will not be an easy one as they are well-balanced side.