The Shanahans and 21 other fathers and sons who became coaches/managers

Mike and Kyle Shanahan are one of a number of father-son tandems to have coached or managed.

John Thompson Jr. and John Thompson III

Greg Bartram-USA TODAY Sports

John Thompson Jr. coached the legendary Georgetown teams that won a national championship in 1984 from 1972-99. John Thompson III coached Princeton from 2000-04 and Georgetown from 2004-17. Younger son, Ronny Thompson, formerly an assistant coach at Georgetown, was the head coach at Ball State from 2006-07.