SAN ANTONIO – One of Texas’s all-time winningest head football coaches, Sonny Detmer, is dead at age 76. Somerset Head Football Coach Sonny Detmer went home to be with the Lord this afternoon. For us in Bulldog Nation, Sonny was more than a legend in Texas High School Football lore with the famous high-octane, high-scoring passing attacks he brought to the game. May Coach Detmer Rest In Peace...”Bulldog Nation mourns the loss of one of our iconic family members. Somerset Head Football Coach Sonny Detmer went home... Posted by Somerset ISD on Tuesday, September 22, 2020Detmer’s family has been playing in the South Texas football institution for decades.