Rovers boss Tony Mowbray believes he is close to adding more new faces to his 'very thin' squad.
Following Jason Steele's switch to Sunderland and with several players unavailable for Friday's friendly at Carlisle due to slight knocks, the manager admits it is imperative that more bodies are brought on board.
"We're trying to add a few footballers and hopefully there's a few deals quite close - a goalkeeper being one of them," said Mowbray after the game at Brunton Park.
"I tried to explain after the Grimsby game the reasons for making that sale really - to try and strengthen the group.
"As you can see, with three or four missing, it left us very thin with the substitutions. We had a lot of kids on the bench just in case we had injuries.
"Our intention was to try and give most of the players 90 minutes, but it just highlighted to me, with three or four senior players not here, how thin we are still and we do need to add some numbers."
Despite Steele's departure, the Rovers boss is confident that young Spanish stopper David Raya can step into his boots.
"I think David Raya finished the season extremely strongly last year," added the manager. "I think he's a very talented young guy.
"I think he needs an opportunity and we'll aim to give him one, but we also need to create some competition for him as well.
"Let's see what this next week brings. We're working hard behind the scenes and hopefully there's some news before the season kicks off and we've got some new additions to the group."