awesome and congrats!
found this...
Player Fan Mail for Charity Programs
Colorado Rockies Manager, Clint Hurdle and player, Todd Helton, each have a program in place where they sign an autograph in exchange for a $25 donation (per autograph) to their selected charity. Clint Hurdle asks that your donation go to Colorado Prader-Willi Syndrome Association and Todd Helton asks that your donation go to the Colorado Rockies Foundation. If you are interested in an autograph from either of these men, please send your item to their attention and include return postage, and a check or money order, to the following address:
Colorado Rockies
Attn: Clint Hurdle or Todd Helton
2001 Blake Street
Denver, CO 80205
Please allow 4 to 6 weeks for a response. The players and the Colorado Rockies are not responsible for lost or stolen items.