Defender Jonathan Spector has extended his stay at Birmingham after penning a new two-year deal.
Bastian Schweinsteiger’s Bayern Munich future remains in doubt after Matthias Sammer admitted he could leave the club.
Bolton have confirmed the appointment of Curtis Fleming as the club's first-team coach.
The former Middlesbrough defender had worked in a similar role under new Bolton manager Dougie Freedman and assistant boss Lennie Lawrence at Crystal Palace.
Fleming, who earned 10 caps for the Republic of Ireland between 1996-98, retired as a player in 2005 and became youth-team coach at The Riverside before joining Scottish side Livingston as assistant manager.
The 44-year-old, who also played for Birmingham, Palace and Darlington, joined the coaching set-up at Selhurst Park in July 2011.