How many african-american head coaches in the nfl?
No context provided
How many African-American head coaches in the NFL before 1979?
1
No context provided
How many African-American head coaches in the NFL in 1979?
2
No context provided
How many African-American head coaches in 2003?
3
Rooney Rule
https://en.wikipedia.org/wiki/Rooney%20Rule
Before 1979, the NFL had 1 African American head coach. In 1979, there were 2 African American head coaches. Then, in 2003, there were 3 African American head coaches in the NFL.