In “What is Fair Play?,” Anima Adjepong, CJ Jones, and M. Aziz discuss the political fixation on trans people in sports. What constitutes fairness? Are hormones the best measure of capacity? Should trans people compete in their own sports leagues? Building on their research in gender and sport (as well as their past experience as athletes), these experts help us understand the complications of trying to establish a “level playing field” and the importance of sports participation for all people.