Experienced defender Ryan Nelsen has been ruled out of Blackburn's battle against relegation after undergoing knee surgery.
Rovers boss Steve Kean confirmed that the New Zealand international will not feature during the Ewood Park club's final six games following an operation on the problem.
Nelsen has been playing through the pain barrier for much of this season but has finally been forced to admit defeat.
Kean revealed that the 33-year-old centre-back will spend the next four weeks recuperating before beginning his rehabilitation work.
He told the club's official website: "Ryan had an operation on his knee and he is out for the rest of the season, unfortunately.
"If the surgeon had gone in and looked at his knee in January he'd have probably done the same operation.
"So with good medical back-up we've managed to get him on the pitch more times than we thought we would have got.
"The prognosis is that he'll be back some time in August, he just has to rest up for a month and do the rehab from there.
"Fortunately for us we lose Ryan at a time when Phil Jones is back fully fit. He's slotted back in there and looked like he'd never been away from central defence so that is fantastic for us, but it is unfortunate that we lose Nelly."
Meanwhile, Jason Brown has extended his loan deal at Cardiff until the end of the season.
The goalkeeper arrived on a one-month contract from Blackburn at the start of March but saw his stay come to an end earlier this week having failed to make an appearance.
Nevertheless, boss Dave Jones has opted to extend his stay for the remaining games of the campaign and Brown will again compete with Tom Heaton and fellow loanee Stephen Bywater for involvement.