Town, Middlesbrough and Sheffield Wednesday are amongst the clubs to have shown interest in striker DJ Campbell, whose QPR contract is up at the end of the month.
Campbell enjoyed a highly successful loan with the Blues between October and January and ended the 2012/13 season as Town’s top scorer with 10 goals from 17 games.
At the end of the spell Blues boss Mick McCarthy expressed an interest in keeping the striker at Portman Road. However, Campbell subsequently joined Blackburn on loan in February after a deadline day permanent move to Rovers failed to go through in time.
Campbell’s season was ended in early March by a foot injury after only five starts, two sub appearances and no goals for the Lancastrians.
The striker recently said that he was weighing up a number of options and at the time wasn’t ruling out remaining at Loftus Road: "We're speaking to a few people at the minute, as well as QPR.”
Whether Town firm up their interest may depend on whether the transfer-listed Michael Chopra is off-loaded. The frontman, believed to be the club’s top earner, has a year remaining on his contract and has indicated that he is in no hurry to move on.
Meanwhile, on a quiet Sunday for Town tabloid speculation, the Blues were again reported to be battling Middlesbrough and Sheffield Wednesday for the signature of released Brighton midfielder Gary Dicker.
Elsewhere, Town boss McCarthy may have been interested to see Watford announcing the release of midfielder Mark Yeates on Friday.
The Blues were understood to have made an enquiry regarding the 28-year-old Irishman in January.