Impressed in his handling of the USA at the World Cup. Randy Lerner may turn to his compatriot Photograph: Paul Gilham/FIFA via Getty Images
Already had his hat thrown into the ring but has only managed for one season in the Premier League, with Manchester City Photograph: Ed Sykes/Action Images
The 46-year-old was sacked by Bayern Munich in 2009 and led Germany to the semi-finals of the 2006 World Cup Photograph: Alexander Hassenstein/Getty Images
The former Villa defender upset Holte Enders when he left for Middlesborough Photograph: Simon Dawson/AP
Regularly linked with Premier League jobs. He has been out of work since leaving West Ham in 2008 Photograph: Darren Staples/Reuters
The charismatic Dutchman took Tottenham Hotspur to fifth in the league in 2007 Photograph: Robert Vos/EPA
Former Croatia manager continues to be linked with English top-flight roles Photograph: Clive Mason/Getty Images
The midfielder was a favourite with the Villa fans but his managerial record has been poor Photograph: Dave Thompson/PA Wire/Press Association Images
In 2007-08, his first full season in charge at the club, he steered Doncaster to promotion into the Championship, via the play-offs. The Yorkshire club have been a model of mid-table respectability since, with O'Driscoll earning a reputation for playing good football Photograph: Tony Marshall/Empics Sport
Left West Ham at the end of last season following disagreements with the new owners and a season of disappointing form which saw the Hammers finish just five points above the relegation zone Photograph: Phil Cole/Getty Images