The Pittsburgh Steelers are 10-4 on the season.
0-3 in games against John or Jim Harbaugh.
10-1 in games coached by someone not named Harbaugh.
Three other teams can finish the year 0-for-Harbaugh - Cleveland, Cincinnati and St. Louis.
NFL teams should call "You have any other relatives?"
UPDATE: From Facebook, three coaching options for NFL teams.
UPDATE2: Linked by Dustbury.