The Brummie, who used to watch the Blues from the Tilton Road end at St Andrews has been at Coventry City since he was a kid and has come through the ranks to progress to City's first where he has been doing a sterling job.
"I have never played against them so it is a big game for me," said Turner to the CT.
"All my mates will be in the away end and hoping that I mess up, and all my family will be in the family stands, but they will be backing me to do well. They are the same as me.
"I am a Birmingham fan and I want them to get promoted, but if you asked me if it is Birmingham or Coventry now, it is Coventry every time because that's the way it has to be.
"This club has been great to me ever since I was young and given me a chance to do what I love to do, and I appreciate that and I am more of a sky blue than a royal blue now, and hopefully we will get a good result at the weekend."
"I had a season ticket at St Andrew's from the age of 13 to 16 or 17 when I joined Coventry full-time and couldn't go any more.
"I used to go with my brother Ryan, who is a year older than me, and I was one of the mad ones in the Tilton Road end. "I used to like Robbie Savage, Christophe Dugarry and Kenny Cunningham, who was obviously a centre-back, and Clinton to be fair.
"I am talking about five or six years ago when he had just signed for them and I used to be up the Blues singing Clinton Morrison songs."