BBC Breakfast presenter Sally Nugent was left red-faced on Tuesday after a cheeky swipe taken at her by co-host Dan Walker.The pair were presenting the sports bulletin of the day alongside sporting correspondent Jane McCubbin when things turned slightly sour on-air.There was some big transfer news looming that the trio were keen to talk about, as Sally began: "Jane is here with all the sport. Transfer deadline date - quite exciting!"Jane agreed: "I know.