BARNSLEY are trying to sign Rochdale duo Scott Wiseman and Scott Hogan.
And the Reds could also land Derby County defender Miles Addison on loan, possibly for the season.
The Reds are currently in talks with Dale defender Wiseman and midfielder Hogan about the chance to play under their former boss, Keith Hill at Oakwell.
Wiseman, aged 25, made 41 appearances for Dale last season and was a key player in helping the club finish a respectable ninth in League One, while promising midfielder Hogan is understood to be a star of the future.
Hill is believed to be a big admirer of both players having been key in their development at Spotland.
But as yet terms have not been agreed with either player, although the Reds are hopeful they can add to the signings of Craig Davies and David Perkins.
“We’ve been given permission to speak to both [Rochdale] players, so hopefully we can agree deals later this week,” Reds director Don Rowing told The Star.
“Keith’s working really hard to get some new players in the building before pre-season training and, of course, it’s important we replace Jason Shackell.
“With regards to Miles Addison, we need to conclude our business with Derby County with Jason Shackell and then see out about his situation.”
Club skipper Shackell is expected to sign for the Rams today subject a successful medical and contract terms being agreed at Pride Park.
An undisclosed seven-figure fee has been agreed between the two clubs, believed to be £1 million.
“We’ve agreed a deal with Derby, but we’re disappointed Jason has decided to leave the club,” added Rowing.
“But although he’s got two years left to run on his contract there’s no-one bigger than Barnsley Football Club, certainly not Jason Shackell.
“It’s his decision to leave and I know Keith is keen to move on and not dwell on the situation.”
Former England Under-21 international Addison is understood to be close to signing a new two-year deal to stay at Pride Park, but Rams boss Nigel Clough is expected to loan the player out to the Reds for next season.
Meanwhile, Rowing revealed the club have received “no offers” for Danny Haynes and stressed that the 22-year-old is “not for sale”.