FAYETTEVILLE — Frank Broyles, who coached Arkansas to its only football national championship and later served as the Razorbacks’ athletics director for years, has died. He was 92. Broyles died Monday at a family home in Fayetteville. He had suffered from Alzheimer's, the neurological disease about which he spent countless hours raising awareness and from which his first wife, Barbara, died in 2004. Broyles devoted most of his adult life to the Razorbacks. After coaching one season as head coach at Missouri, he was hired by then-athletics director John Barnhill to lead Arkansas in December 1957 and spent the next...