To help the batter track the ball, MLB stadiums also have a darker, solid-color region called the "batter's eye" behind the pitcher and center field [0]. It's

To help the batter track the ball, MLB stadiums also have a darker, solid-color region called the "batter's eye" behind the pitcher and center field [0]. It's also why pitchers can't wear white sleeves or use white gloves (e.g., Eddie Butler getting his sleeves cut off before he pitches [1]). [0] https://en.wikipedia.org/wiki/Batter%27s_eye https://en.wikipedia.org/wiki/Batter%27s_eye [1] https://www.youtube.com/watch?v=UR0nHFTWNnY https://www.youtube.com/watch?v=UR0nHFTWNnY