Edit: I now have reason to believe that Britney Griner is not transgender, but a hermaphrodite who was raised as a female. She was playing women's high school basketball at a time when if your birth certificate said you're a man, you're playing men's basketball.
Part 1:
https://youtu.be/RulT-Zpy0_8
Part 2:
https://youtu.be/dG2ou4C_mo0
Edit: I now have reason to believe that Britney Griner is not transgender, but a hermaphrodite who was raised as a female. She was playing women's high school basketball at a time when if your birth certificate said you're a man, you're playing men's basketball.