Due to a bat boy being hit by Butch Wynegar’s line drive foul ball, Yankees officials enact a new rule mandating the team’s bat boys wear protective helmets during all games. All major league teams will soon adopt the new rule of having batboys wearing a protective helmet while working.

On June 25, 1985 Due to a bat boy being hit by Butch Wynegar’s line drive foul ball, Yankees officials enact a new rule mandating the team’s bat boys wear protective helmets during all games. All major league teams will soon adopt the new rule of having batboys wearing a protective helmet while working.

 

Source

Baseball Reference June 25