Throwing Program

Does any have an off season throwing program that they use?? I am currently saving up for tuff cuff so i am trying to start throwing now before getting the book…it’s not really off season, actually. I am playing in a summer league with probably a start a week…but i am really in desperate need of getting arm strength up and want to start now…so basically im just looking for a throwing program to get arm strength up with a start once every week…sorry if this is a little confusing any help appreciated