Eugenie Bouchard? Simona Halep? Caroline Wozniacki? Agnieszka Radwanska? Sloane Stephens? Pam Shriver and Brad Gilbert break down the chances of five players hoping to win their first major at the US Open.
Everyone seems to still have questions about Serena Williams' doubles default at Wimbledon, but nine-time champion Martina Navratilova may have the most pressing one yet: Why on earth was Serena on the court at all?