Gary Rowett returned to haunt Birmingham again as his Derby side stayed second in the Sky Bet Championship with a 3-0 win at St Andrew's.
Sam Gallagher scored the only goal as Birmingham continued their recent revival with a 1-0 victory over Burton in the FA Cup.
Manager Steve Cotterill has made it clear he wants midfielder Maikel Kieftenbeld to stay at Birmingham City this month.
Birmingham manager Steve Cotterill heaped praise on his battling team after they moved off the bottom of the Championship.
Birmingham City moved off the bottom of the Championship with a gritty and deserved 2-0 win at Reading - their first away success of the season.
Reading will check on midfielder Liam Kelly ahead of the visit of Sky Bet Championship strugglers Birmingham.
Steve Cotterill claimed Birmingham's fortunes will change following the 1-0 home win over Sky Bet Championship promotion hopefuls Leeds.
Birmingham ended the year on an optimistic note with a 1-0 Sky Bet Championship home victory over promotion-chasing Leeds.