The Injury: Jos Buttler sustained a severe left hamstring injury during England's ODI fixture against Sri Lanka at Headingley. Despite initially retiring hurt, he courageously returned to the crease to finish with a fluent 69 off 49 balls before the injury permanently halted his innings. Surgery and Recovery: Buttler successfully underwent surgery on his left hamstring. Sharing an update from his hospital bed, he expressed optimism and vowed that he was feeling "more motivated than ever" for his comeback. Missed Tours: The procedure rules him out of England's upcoming white-ball commitments, including the ODI series in Pakistan and the white-ball tour of Australia. Buttler, 36, pulled up injured during England's defeat to Sri Lanka in the second ODI at Headingley on September 24, and initially retired hurt before briefly resuming his innings. Timeline and Future Outlook: Medical teams have not yet announced a definitive recovery timeline, but his rehabilitation is underway with an eye toward returning to peak fitness ahead of major franchise and international assignments. However, in addressing the issue, Rob Key, England Men's managing director, said that it was merely a matter of timing, with England due to launch their campaign against Bangladesh in Windhoek on October 8, a week after the notional expiry of the deals on September 30. "We don't see it that Jos Buttler and Adil Rashid aren't going to be a part of that World Cup," Key said. "We have them very much factored in. If they weren't a part of it, we wouldn't have been playing them since then. They're both desperate to play for England. It's the way the system works as much as anything else. There'll be decisions to be made next year."