These notebooks keep the secrets of MLB pitchers
Briefly

Parker, alongside Washington Nationals' pitchers, utilizes his notebook to enhance his performance and adaptability on the mound. Unlike some teammates, he casually notes down observations about his pregame routines and opposing lineups, focusing only on what's pertinent for each day's game. This flexible approach contrasts with others like Jake Irvin, who extensively records detailed notes and mental cues, underscoring a broader narrative of the strategic, mental preparation in the MLB, where even informal note-taking can reveal a pitcher's identity and approach to the game.
"Instead of saying, 'This is what's working for that day, and this is how we're going to adapt to the game there.'"
"And it's kind of fun to dive into that," Adams said, smirking.
Read at The Washington Post
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