Navasota solidifies softball staff Posted in: Sports Navasota High School and the Lady Rattler Softball program have announced the hiring of two highly touted coaches to their staff. Head Coach Doug Harrigan has been named the new head softball coach of the Lady Rattlers, replacing Kathryn Shedd. Harrigan brings over 17 years of head coaching experience from the 3A ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!