City's club website have confirmed the Sky Blues interest in Cambridge United's Robbie Simpson.
The 22 year old,currently studying at Loughborough University is out of contract but is unable to sign as a free agent as he is under the age of 24.
City In For Simpson
Iain Dowie told the club website: "We made an offer to Cambridge United and there is some distance between the two clubs with regard to the valuation of Robbie.
"It therefore looks set to go to tribunal and we are hopeful of a positive outcome."
"It therefore looks set to go to tribunal and we are hopeful of a positive outcome."