Nigel Pearson is interested in bringing former Leicester City striker Matty Fryatt back to the club.
City are understood to be one of six teams interested in signing the Hull frontman, pictured, on a free transfer when his current deal at the KC Stadium runs out in a couple of weeks.
Fellow promoted side Burnley have also made inquiries, while Championship clubs Nottingham Forest, Sheffield Wednesday, Wigan and Brighton are also said to be interested.
The striker has yet to agree terms with Hull on a contract extension after an initial offer last week fell short of his expectations, although it is believed Fryatt's preference would be to sign a new deal with the Tigers.
However, he is a player Pearson knows well, having managed Fryatt in his first term with City before signing him for £1.2million in January 2011, while in charge at Hull.
Fryatt was Hull's leading scorer last term with six goals in 16 appearances in all competitions, ahead of big signings Nikica Jelavic and Shane Long. It is no secret Pearson is looking to bolster his striking options as he improves his squad for next season's Premier League campaign.
City have already had three substantial bids for Brighton striker Leonardo Ulloa rejected, thought to be in the region of £5m.
The Seagulls are standing firm over the Argentinian, asking for nearer to £10m.
Cardiff striker Fraizer Campbell is also on City's radar, with the club believed to have made a bid of about £1m.
Leicester are also said to be interested in Tours striker Andy Delort. Reports in France have linked City with the 22-year-old, who scored 24 goals in 36 games for the Ligue 2 side last term.
City have a strong scouting network in France, led by head of recruitment Steve Walsh, with Anthony Knockaert and Riyad Mahrez both being plucked from the French second tier.
Delort has been linked with German sides VfB Stuttgart and Borussia Mönchengladbach, as well as Premier League outfit Southampton.
But it is understood recruitment at Saints is on hold until they appoint a new manager following the departure of Mauricio Pochettino.
Meanwhile, City striker Tom Hopper has signed a new two-year contract. The 20-year-old has put pen to paper on the deal, which will keep him at the club until 2016.
He said: "I'm delighted to be a part of this club, and to have signed a new contract is a wonderful feeling.
"Last season started with a lot of promise for me but, unfortunately, I got injured, which meant I didn't play as much as I could have. I'm fully fit now and I can't wait to get started again in pre-season by showing what I can do."
City will travel to Rotherham in a pre-season friendly on August 5 (7.45pm). Pearson's men make the trip to the New York Stadium to face Steve Evans' side, who will play in the Championship next season after winning the League One play-offs.
