Just started helping local high school baseball team. Need some help with winter workouts for pitchers. Thanks
A lot of strength training is in order for a baseball team. Check out Eric Cressey at Cressey Performance for some good programs.
Also, Tuff Cuff has a pretty good way of doing things too, with proper phases. Steven Ellis, the owner of the site, sells it.
We are at the time of year where throwing should be fairly minimal and more focus should be on strength & conditioning. What resources do you have access to - equipment, space, etc?
Sorry just seeing this, but this article may give you a good outline of common mistakes, along with suggestions on structure.