Chris Powell has been sacked by Championship strugglers Charlton, according to reports.
Bayern Munich forward Toni Kroos left the door open for a switch to the Barclays Premier League in the summer.
Ramon Nunez's Leeds contract has been terminated by mutual consent.
Nunez has not played for the club since April and was not given a squad number at the start of the season.
The Honduran midfielder's deal has been scrapped by mutual consent, and he is now free to find another club.
Nunez made 25 appearances in two-and-a-half years with Leeds following a 2010 move from Deportivo Olimpia.