Romeo Crennel, American Football Wiki
Former Patriots DC Romeo Crennel retires after 50 years of coaching
Ex-Chiefs HC Romeo Crennel Retires From NFL: Report
Romeo Crennel: An impressive legacy after 50 years in football
Romeo Crennel retires after almost 40 years as NFL coach
Romeo Crennel - Wikipedia
Safety in numbers – Boston Herald
Former Cleveland Browns Coach Romeo Crennel Announces Retirement
Patriots Coach Bill Belichick Reflects On Romeo Crennel's NFL
Romeo Crennel retires after almost 40 years as NFL coach