TMW says the Championship promotion hopefuls have made a contract offer to the Spaniard.
Tena is understood to be prepared to consider a move away from Scotland and along with Derby, he has also contact with an unnamed Serie B club.
The 24 year-old has previous experience in Italy with Cuneo.
For the big stories and the banter follow us on Twitter: @tribalfootball
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!