Blake was involved in a controversy towards the end of his tenure as defense line coach for the Dallas Cowboys. According to The New York Times, Blake made claims to head coach Barry Switzer that Hall of Fame quarterback Troy Aikman treated his black teammates differently and was a racist. In response to this, many members of the Cowboys organization, including black coaches and players, came to the defense of the quarterback.
Blake was at the center of a controversy during his time as defensive line coach for the Dallas Cowboys. The New York Times reported that Blake made accusations against head coach Barry Switzer, claiming that Hall of Fame quarterback Troy Aikman discriminated against and held racist attitudes towards his black teammates. In response, many Cowboys employees, including African American coaches and players, came to Aikman's defense.