You almost certainly haven’t heard of Lori Chalupny. But that doesn’t mean you shouldn’t learn her story.

The 26 year old is, according to people who know these things, “the most complete and versatile player” on the United States women’s soccer program.

Except she’s not going to play for the Americans anymore, despite the fact that she’s still a dominant force on the Atlanta Beat of Women’s Professional Soccer and easily boasts enough talent to star on the Red, White, and Blue squad.

Why not? Concussions.

Here’s the deal: Chalupny has had five or six concussions during her career and “the U.S. Soccer Federation, in consultation with one of the leading experts on sports head trauma, has not cleared her to play for the national team.” Read more