Darren Bent insisted he had to leave Aston Villa after too many "slaps in the face".
Brighton defender Greg Halford has agreed to extend his loan deal from Nottingham Forest until the New Year.
Motherwell manager Stuart McCall has yet to decide whether to accept a two-match ban for goalkeeper Darren Randolph.
Randolph faces the suspension for allegedly kicking Hearts forward Callum Paterson in Saturday's 0-0 Clydesdale Bank Premier League draw at Fir Park.
Scottish Football Association compliance officer Vincent Lunny issued a notice of complaint and the club must make any appeal against it by 3pm on Wednesday.
Republic of Ireland international Randolph played in Motherwell's 2-1 victory over Dundee United on Tuesday night but could now miss their William Hill Scottish Cup clash with Aberdeen and the league visit of Ross County.
"I have to read the referee's report, he's obviously seen something different in the aftermath than when he saw it at real time," said McCall.
"If I'm honest at this moment I've not yet looked at all of the evidence.
"The referee will now have had the benefit of seeing the incident at various angles and slowed down on the television.
"We will decide in the morning as to whether we will appeal, if we choose not to do so then we have a terrific goalkeeper in Lee Hollis who will come in for Darren."