Former Celtic boss Tony Mowbray has resigned as manager of relegated Birmingham City to focus on his recovery from surgery.

The 60-year-old, who replaced Wayne Rooney in January, initially took a temporary break in February, followed by a formal medical leave of absence in March.

Mowbray has now decided to step down permanently after a season that saw the Blues relegated to League One.

Announcing his departure, he said: “As people will be aware, I am currently undertaking a period of extended convalescence following significant and unexpected surgery earlier in the year which required that I take a period of medical absence.

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“Over the very recent days, it has become apparent to me that I will not be fully fit to resume my duties as manager of Birmingham City in the timescale that would allow the club to best prepare for the forthcoming season and therefore, I have regrettably decided to step away from my role at this time.”

Birmingham owner Tom Wagner said: “We are disappointed that Tony will not be coming back to lead the team forward but respect his decision to put his health and his family first. 

“In a short period of time at Blues Tony demonstrated excellent leadership skills and a work ethic that galvanised all around him. He is an outstanding human being and will always be welcome at St. Andrew’s.”