COLUMBUS, Ohio (AP) — Ohio State is making a major change to its men's basketball program.

Thad Matta is out after 13 seasons on the Buckeyes' sideline, saying he and the school had come to a mutual agreement. Matta cited his health as a factor in the decision after being bothered by chronic back problems for years. Athletic director Gene Smith said Ohio State wasn't winning the recruiting battles he felt it needed to win.

The Buckeyes won at least 20 games in each of Matta's first 12 years at the school, but the Buckeyes went just 17-15 last season and missed the NCAA playoffs for the second consecutive spring.

Matta won five regular-season Big Ten titles, captured four league tournaments and made two Final Four appearances with OSU.