Mike Singletary hired as Memphis coach in new Alliance pro football league
Interview with Hall of Fame LB Mike Singletary
Ex-49ers coach Mike Singletary resigns high school job after one win in two years
Hall of Famer Mike Singletary to become high school football coach at Trinity Christian Academy - Sports Spectrum
Former SDSU, Chargers coach Tollner likely hanging up his headset - The San Diego Union-Tribune
Mike Singletary resigns as High School coach after 1-21 record
What NFL players have gone on to coach high school football?
Golden Nuggets: Ex-49ers coach Mike Singletary out after 1-21 high school record - Niners Nation
Bears: Dick Butkus, the man, the myth, the legend
A Position of Greatness, and a Hunger for Victory - The New York Times