Former Michigan State coach Denny Stolz died on Thursday, the school announced. He was 89.No cause of death was revealed.Stolz also coached Division I schools Bowling Green and San Diego State while compiling a 91-77-2 record in 15 seasons.Stolz was Big Ten Coach of the Year in 1974 in his second season leading the Spartans. The team finished 7-3-1 and recorded a memorable 16-13 victory over No. 1 Ohio State.”Our thoughts and prayers go out to Coach Stolz and his family,” former Michigan State head coach Mark Dantonio said in a statement. “I got to know Denny over the years as head coach and always enjoyed our time together. I invited him to practices and he attended games for many years at Spartan Stadium. He really enjoyed seeing his former players at our golf outings. He was a true Spartan.”Stolz went 19-13-1 in three seasons with Michigan State. He resigned in March 1976 when requested after the school was placed on three years NCAA probation for recruiting and fundraising violations.