Hull are understood to have agreed a deal for Marco Silva to become their new manager.
The Premier League strugglers are set to confirm the 39-year-old's appointment on Thursday.
Silva, who has previously coached at Olympiakos and Sporting Lisbon, will replace Mike Phelan, who was sacked on Tuesday with the club bottom of the table.
Vice-chairman Ehab Allam insisted the Tigers required a "fresh approach" after announcing Phelan's dismissal.
The decision to sack Phelan less than three months after he was appointed to a permanent role has been met with some criticism by supporters, who are likely to make their feelings clear in Saturday's FA Cup third-round clash with Swansea.