concussion training link
https://www.cdc.gov/heads-up/training/youth-sports.html

abuse awareness course
https://www.littleleague.org/university/articles/abuse-awareness-training-course/

diamond leader course
https://www.littleleague.org/university/articles/diamond-leader-training-program/

Volunteer information and forms 
https://www.littleleague.org/volunteer/