Group chats, Coach Poce and an OC: Inside the Astros' new offensive coaching infrastructure

On the eve of every game, zone maps, videos, spray charts and usage patterns are sent to a group chat with all 13 position players on the Houston Astros roster. Most of the material is devoted to the next day’s starting pitcher, equal parts a plan of attack and prospectus on his probabilities or preferences. For a team trying to reestablish its offensive identity, this is something new.Advertisement