The provided article text could not be retrieved — the page content consists only of Google's cookie-consent notice rather than the actual news story. Based solely on the headline, the piece appears to concern Sheffield United's defensive options, suggesting the club needs to sign new centre-backs while potentially facing the departure of two current ones.

No further details, names, or context could be confirmed, as the substantive article content was not accessible in the source provided. A reliable summary cannot be produced without the actual text of the report.