Celtic Reject Arsenal's £25m Bid for Kieran Tierney Amid Concerns Over Deal Structure

​Celtic have turned down Arsenal's latest offer of £25m for left-back Kieran Tierney, with the Scottish side thought to be unhappy with the structure of the proposed deal. Having already seen a £15m bid knocked back, Unai Emery opted to return with an increased offer to try and tempt Celtic to part ways with one of their brightest talents. However, ​Sky Sports state that Celtic were less than impressed with ​Arsenal's £25m proposal. They wasted little time in rejecting the offer, as they were... Via All the latest breaking football news, transfer rumours, analysis, and match reports - 90min http://www.90min.com/