Tony Mowbray has confirmed that first team pair Tosin Adarabioyo and Ben Brereton will miss this weekend's game at West Bromwich Albion.
Mowbray's men head to The Hawthorns looking to continue their fine form in the league after earning back-to-back 1-0 wins over Middlesbrough and Hull City.
Both of those wins were without Adarabioyo and Brereton, and the boss has revealed that the two youngsters won't be part of the travelling party for the trip to the West Midlands on Saturday.
“Both Ben and Tosin won’t be ready for this weekend but they may be back for after the international break," Mowbray told iFollow Rovers ahead of the game.
“The talk with Ben is that he might be having a slight procedure on his knee, some keyhole treatment, which may take four to six weeks.
“Tosin may be fine to train fully next week and look to build up his fitness ahead of the Millwall game.
“It’s frustrating for all of us and Ben, because he really needs to kickstart his career at this club. He cost a few quid and he’s only young, but at some stage he needs to start scoring goals regularly and contributing.
“But his time will come, as I’ve always said. He was bought for today and for tomorrow. You have to build your club with good players and he is a very good player.
“But let’s get him right and then integrate him into the side as the season progresses."
The clash against Slaven Bilic's side is Rovers' last test ahead of the international break.
And Mowbray believes the two-week period may have come at the perfect time, with niggles and knocks causing issues in his squad.
“My board is full of injuries at the moment," he added.
"Counting young players I think we’re up to 10 players and it’s not improving.
“After the two week break I’m sure things will look better for us.
"That’s football, there’s no moaning, sometimes the relentlessness just takes its toll on players, particularly early into a season."