Sunderland have set their sights on a possible loan deal on deadline day. Sunderland have been involved in numerous transfer headlines in the build-up to deadline day, with Kristjaan Speakman keen to put the finishing touches on the summer. So far, the Black Cats have signed five new players, plugging the striker void last week with the loan signing of Wilson Isidor from Zenit. Another striker signing looks like the priority for Wearsiders, with Sunderland making a bid for Tom Cannon at Leicester City. Foxes boss Steve Cooper has confirmed interest in Cannon but says that the Irishman will onl…