 He called the coach "Little Caesar" behind his back.At halftime during a game in 1959, Paul Brown questioned the severity of an injury Jim Brown was sidelined for, which further inflamed tensions between the two.Fred "Curly" Morrison, a former Browns running back who worked as an advertising executive for CBS television, learned in 1960 that Dave Jones was looking to sell the Browns and told the story to Art Modell, a 35-year-old advertising and television executive from Brooklyn.