UAB coach Bill Clark is retiring because of chronic back problems after leading the program back from a shutdown to two Conference USA titles

“I have reached this difficult decision after consultation with a number of world-class medical experts and much family discussion,

reflection and prayer,” Clark said in the statement posted on social media.

“Having undergone a previous back surgery, extensive physical therapy,

shots and chiropractic therapy, I have exhausted all of my options.

“Due to the extreme physical demands placed on a head coach, it is clear to me. It’s time to pass the torch and try and get well.”

Clark went 49-26 in six seasons, winning two Conference USA titles

The university shut down the program in December 2014 after his debut season, citing financial reasons.

with defensive coordinator David Reeves serving as assistant head coach.

Clark said he injured his back doing squats in high school. “I’ve dealt with back pain for my whole life,” he said. “I’ve had shots.