Krykslants: Texans fire GM/coach Bill O'Brien after 0-4 start
Patriots must play well to end struggles against Romeo Crennel
Romeo Crennel wants to be a head coach on a permanent basis - NBC Sports
Formula for NFL success isn't simple
Romeo Crennel showed leadership in a dark time for KC Chiefs
Houston Texans Fire Bill O'Brien After Tumultuous Tenure As Head Coach
Chiefs news: Romeo Crennel firing reaches 10-year anniversary
Eagles' Nick Sirianni remembers when Chiefs' Andy Reid fired him – NBC Sports Philadelphia
After nearly 40 seasons coaching in the NFL, Romeo Crennel, 74, announces retirement - ESPN