Birmingham midfielder Charlee Adams has signed a new one-year contract with the club.
Southampton are confident Jay Rodriguez will commit to a new long-term deal but the player will consider his options.
Inverness have signed QPR midfielder Jordan Gibbons on loan until the end of the season.
Caley Thistle say the 19-year-old wide midfielder is expected to feature in the squad for Wednesday night's game against St Mirren at Paisley.
Inverness boss Terry Butcher has signed defenders Danny Devine, from Fleetwood, and Charlie Taylor, on loan from Leeds, already this month.