Unconfirmed reports suggest that negotiations over the transfer of Calvin Stengs are ongoing, with Celtic pushing to land the forward from Feyenoord to strengthen their squad. Discussions are said to be constructive, with the structure of the deal - including add-ons and bonuses - now under consideration, although there is currently no confirmation of an agreed fee for the player. The player is aware of the interest and would reportedly be open to the move, should personal terms be agreed. While Celtic and Feyenoord continue talks, no breakthrough has been reported. Pisa and Leicester reportedly may still have an interest, but currently the focus is on getting this deal across the line. Celtic's current 1.33 goals scored per game is close to average. Calvin Stengs would be seen as someone to make them more dangerous and clinical in the box. Feyenoord continue to be linked with Hamza Igamane while Celtic are also rumoured to be tracking Federico Chiesa. Want more transfer rumours like this? Follow us on Twitter @PlayerSwitchCom for up-to-the-minute transfer news direct to your feed.