Jaaskelainen 29, was linked with a move to Manchester United a couple of weeks ago and now Boro have entered the frame as they look to draw up a shortlist of possible replacements for current custodian Mark Schwarzer, who will be out of contract in the summer.
Bolton have strongly denied that the Finn will be allowed to leave the Reebok Stadium with Sam Allardyce keen to keep hold of one of his prized assetts at all costs.