NEW: WNBA Commissioner Cathy Engelbert has reportedly sent a memo out to teams regarding transgenders in female sports, says the topic is “complex and nuanced.”The memo, obtained by the AP, comes as former NBA players Royce White and Enes Kanter Freedom announced their intentions to play in the WNBA.“I wanted to reach out to share how we are approaching these conversations at the league office and to thank those of you who have responded to questions from the media with thoughtfulness and profes