Pat Cummins Ruled Out of T20 World Cup Opener, Hazlewood and David Updates

• Pat Cummins will miss Australia's opening T20 World Cup fixture against Ireland due to a nagging back issue.
• Cummins, who made only one appearance in the Ashes, will also skip the T20I series against Pakistan.
• He is expected to join the squad after their second match against Zimbabwe at Colombo's R Premadasa Stadium.
• Chief selector George Bailey expressed optimism about Josh Hazlewood's recovery from a hamstring injury for the World Cup opener.
• Tim David had a minor setback but is expected to be fully fit for the tournament, which runs from February 7 to March 8 in India and Sri Lanka.

Why It Matters: Pat Cummins is sidelined for Australia's T20 World Cup opener, while Hazlewood and David are recovering.