10 best baseball pitching discussion forums

1. Let's Talk Pitching Baseball Forums
2. Baseball Fever Forum
3. High School Baseball Web Message Boards
4. Baseball Excellence Forums
5. RCCO Training to Throw Forums
6. Eteamz Baseball Boards
7. Pitching Professor Discussion Forums
8. Baseball Grit Forums
   
9. Dick Mills "All About Pitching Mastery!" Member Forums (paid access)
   
10. SETPRO Member Forums (formerly "Pitching-Mechanics.org") (paid access)

Bonus: KnuckleballHQ Forums