Wonga have revealed that they will not be renewing their current sponsorship with Blackpool, which expires at the end of the season.
Jonathan Legear has had his contract at Blackpool terminated by mutual consent.
Odion Ighalo scored four times as Watford produced a remarkable second-half performance to move within four points of the top of the Championship following a 7-2 victory over Blackpool.
Midfielder Jacob Mellis has completed a loan switch to Oldham from Blackpool for the remainder of the season.
Hull will pay Blackpool £2.3m after agreeing a compensation package over the transfer of winger Tom Ince.
Blackpool have released winger Chris Eagles after two months at the club.
Dave Edwards and Benik Afobe combined to ensure Wolves were able to celebrate the life of the club's former owner Sir Jack Hayward with a win as they ground out a hard-fought 2-0 Sky Bet Championship victory against Blackpool.
Blackpool have signed Chelsea youngster Islam Feruz on a youth loan until the end of the season.