Breaking: Williams sisters knocked out by Aussie Joint and Chan

Australian Maya Joint has again spoiled the part for the legendary Williams sisters, teaming up with Hao-Ching Chan to knock Serena and Venus out of the first round of the US Open women's doubles.In front of a packed and passionate crowd at Arthur Ashe Stadium, Joint and Chan came from 0-5 down in the deciding 10-point tiebreaker to down the legendary sisters 6-3, 6-7 (6/8), 7-6 (10/7).This is the second consecutive grand slam that Joint has played spoiler, knocking Serena out in the first round of the Wimbledon ladies singles on Centre Court.