Sheffield United boss Nigel Clough has finally succeeded in signing striker Steven Davies from Blackpool.
Blackpool will likely leave two of their better performers this season out of their squad for Saturday's Sky Bet Championship clash with Sheffield Wednesday at Bloomfield Road.
Andrew Shinnie scored a first-half winner as Birmingham grabbed a 1-0 home win over Blackpool in the Sky Bet Championship.
Miles Addison has joined Blackpool on a month's loan from Bournemouth.
Birmingham boss Gary Rowett will be without midfielder Stephen Gleeson when his side welcome basement club Blackpool to St Andrew's.
James McClean netted the third as Wigan boost their survival hopes with a vital 3-1 win at fellow Sky Bet Championship strugglers Blackpool at Bloomfield Road.
Blackpool are hopeful experienced midfielder Jamie O'Hara can make the bottom-of-the-table battle with Wigan.
Defender Niall Maher will spend the rest of the season on loan with Blackpool having extended his stay from fellow Sky Bet Championship side Bolton.