It’s not surprising to us that youth are still being injured on the baseball field by balls hit off a metal bat. The latest injury happened to a boy in South Dakota in late April, when 11-year-old Trey Brown suffered a brain injury after being hit in the head by a ball hit off an aluminum bat.

We’re not surprised because, even though Little League International banned the use of composite bats, they didn’t rule out other metal bats. They should have!

Trey Brown came home from a local baseball game complaining of a headache and soon began vomiting. His parents took him to the hospital ...