retire. thank you. and to call it a career. you know, i it shall i feel it's time for me to walk away, actually. >> oh, you can't help but not feel for her. she says she has been in pain on the court. her body, she says, just won't allow her to play. her retirement, though, absolutely shocked tennis fans around the world and cnn international sports anchor don radell joins me here in the studio. my goodness. taking deep sighs. wiping tears. you feel for her. she is 28. >> what a contrast from when she won wimbledon. weeks ago she was just so happy, so energized and so popular. she's so likable, too. it really is just an incredible shock. >> so what are her injuries? >> she has been struggling with hamstring problems since she won wimbledon six week ago. she revealed also she'd been suffering from pain in her achilles ankle. her shoulder. her hips and lower back. she's basically talking about