so

Wiki had this for "beanball," which apparently is the same thing as "bean." (bold emphasis mine)

"Beanball" is a colloquialism used in baseball, for a ball thrown at an opposing player with the intention of striking him such as to cause harm, often connoting a throw at the player's head (or "bean" in old-fashioned slang).

was to instill a sense of good sportsmanship and fair play, to be respectful of other players and always be a gracious winner or loser.

At least I'd like to think a man with a daughter would not entertain this idea.

Of course, this plan could have been hatched to discourage a male on the team who didn't match their notions of the kind of kids who should be on that team.

she played well, but gosh darnit. they had to change the rules + BAN girls. god forbid GYRLZ PLAY TOO!

And repeatedly take bean balls from Aroldis Chapman.

Are they really that threatened by an 11 year old girl? Do they have to cause her harm? Sickening.

...which are generally in effect for any position involving interaction with minors, then someone needs to report these guys to DHS/CPS.