ESPN tennis commentator Rennae Stubbs joins ABC News Live from the US Open in Queens, New York, to break down what to expect from Saturday's women's final. Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News Digital is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. Download the ABC News app for the latest headlines and alerts: https://abcnews.go.com/devices Watch 24/7 coverage of breaking news and live