SAN FRANCISCO (AP) — The new knockout format didn't claim any major upset victims during the first day of the Rugby World Cup Sevens on Friday. The 24-team men's field has been reduced to quarterfinalists while the 16-team women's tournament will be decided among New Zealand, Australia, the United States and France on Saturday. Top men's seed South Africa cruised past Ireland with a 45-7 victory while No.Read more on NewsOK.com