MLBAM's website hosts a wealth of data that informs the MLB Gameday application. Most notably, this website hosts pitch-by-pitch (ie, PITCHf/x) and play-by-play data. pitchRx provides a simple interface to acquire a good portion of Gameday data (see Table 1 of my paper), but there is a significant amount that isn't directly accessible using pitchRx::scrape. […]