Aston Villa's Championship play-off hopes were dealt a blow as they suffered a disappointing defeat.
Gabby Agbonlahor's contract with Aston Villa expires at the end of the season.
The Aston Villa forward is currently recovering from injury.
The Aston Villa forward has really struggled with form and fitness over the past few years.
Title winning members from Chelsea and Leicester City have emerged from the youth set-up at Villa Park.
Aston Villa striker was surprise hero against Birmingham.
Gabby Agbonlahor undid much of the damage he did to his relationship with Aston Villa fans by scoring the Second City derby winner.
Birmingham City's survival hopes in the Championship took a significant blow as Aston Villa won the Second City derby 1-0.
The striker's injury has increased Aston Villa's need to sign a new striker during the January transfer window.
Aston Villa's play-off hopes were dealt a blow as they fell to a 1-0 defeat against Cardiff City.