Types and Categories

1. category:professional sports leagues in canada
2. category:national basketball association
3. category:basketball leagues in the united states
4. category:professional sports leagues in the united states
5. category:basketball leagues in canada
6. category:national basketball association teams
7. category:annual sporting events in the united states
8. category:postseason college basketball tournaments in the united states
9. category:recurring sporting events established in 1939
10. category:history of college basketball in the united states
11. category:ncaa mens division i basketball championship
12. category:baseball governing bodies in the united states
13. category:baseball leagues in the united states