Talks between Martin O'Neill and Sunderland over the manager's job will continue this weekend.
PA Sport says slow progress is being made as the fine details are discussed, and that negotiations could continue into the weekend.
The 59-year-old former Aston Villa and Celtic manager met Black Cats chairman Ellis Short for a second time in an attempt to thrash out a deal after positive talks on Thursday night, albeit talks which broke up without an agreement in place.