“I have no clause inserted that allows me to leave Birmingham if they get relegated,” Upson told ICBirmingham.
“Why would I? That is not the way I work. I am totally committed to Birmingham come what may.
"I am in for the full sentence and if that means playing First Division football, then I will.
“But that is not something I can see happening. This is a team that is building for a great future.
"They are very ambitious and the manager and directors have amassed a great squad," he added.
“City are a team on the way up. I wanted to be with a club who will build for the future and that is what will happen at Birmingham.”